User contributions
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- 15:33, 8 January 2012 (diff | hist) . . (-15) . . 2002 AMC 8 Problems/Problem 10
- 14:01, 23 December 2011 (diff | hist) . . (-2,659) . . Talk:Base numbers (→Ugg Boots Outlet)
- 14:01, 23 December 2011 (diff | hist) . . (-2,571) . . Talk:Base numbers (→Ugg Boots UK Online)
- 14:01, 23 December 2011 (diff | hist) . . (-3,738) . . Talk:Base numbers (→Ugg Boots UK)
- 23:36, 17 December 2011 (diff | hist) . . (+14) . . AoPS Wiki:FAQ (→I have made some posts but my post count did not increase. Why?)
- 23:30, 17 December 2011 (diff | hist) . . (+7) . . AoPS Wiki:FAQ (→How can I download LaTeX for personal use?)
- 23:29, 17 December 2011 (diff | hist) . . (+187) . . AoPS Wiki:FAQ (→Contests)
- 15:32, 1 December 2011 (diff | hist) . . (+15) . . 2011 AMC 8 Answer Key
- 12:51, 25 November 2011 (diff | hist) . . (+966) . . 2011 AMC 8
- 12:49, 25 November 2011 (diff | hist) . . (-6,597) . . 2011 AMC 8 (Blanked the page)
- 22:51, 12 November 2011 (diff | hist) . . (+175) . . 2011 AMC 10B Answer Key
- 16:16, 2 November 2011 (diff | hist) . . (+168) . . N AoPS Wiki:Problem of the Day/November 2, 2011 (Created page with "==November 2== Suppose <math>a</math> is a complex number such that <math>a^{10} + a^5 + 1 = 0</math> Determine the value of <math>a^{2005}+\frac{1}{a^{2005}}</math>") (current)
- 16:14, 2 November 2011 (diff | hist) . . (-103) . . AoPS Wiki talk:Problem of the Day/November 2, 2011
- 13:10, 1 November 2011 (diff | hist) . . (+151) . . N AoPS Wiki talk:Problem of the Day/November 1, 2011 (Created page with "==October 31== Determine the greatest integer that will divide 13,511, 13,903 and 14,589 and leave the same remainder. Answer: <math>\boxed{98}</math>") (current)
- 22:19, 31 October 2011 (diff | hist) . . (+208) . . N AoPS Wiki:Problem of the Day/November 1, 2011 (Created page with "==November 1== Two perpendicular chords intersect in a circle. The lengths of the segments of one chord are 3 and 4. The lengths of the segments of the other chord are 6 and 2. F...")
- 19:09, 31 October 2011 (diff | hist) . . (-2) . . AoPS Wiki talk:Problem of the Day/October 31, 2011 (current)
- 18:21, 31 October 2011 (diff | hist) . . (+38) . . N AoPS Wiki talk:Problem of the Day/October 31, 2011 (Created page with "Please PM your answer/solution to POTD")
- 16:53, 31 October 2011 (diff | hist) . . (+187) . . N AoPS Wiki:Problem of the Day/October 31, 2011 (Created page with "==October 31== Determine the greatest integer that will divide 13,511, 13,903 and 14,589 and leave the same remainder. Please PM your answer/solution to: POTD (Yes, he is a r...")
- 16:19, 12 October 2011 (diff | hist) . . (+12) . . N User:Mrdavid500 (Created page with "=Registered=") (current)
- 16:18, 12 October 2011 (diff | hist) . . (+12) . . N User:Knittingfrenzy18 (Created page with "=Registered=")
- 10:24, 31 August 2011 (diff | hist) . . (+149) . . N 1968 AHSME (Created page with "==Problem 1== ==Problem 2== ==Problem 3== ==Problem 4== ==Problem 5== ==Problem 6== ==Problem 7== ==Problem 8== ==Problem 9== ==Problem 10==")
- 15:13, 29 August 2011 (diff | hist) . . (+491) . . N 1989 AHSME Problems/Problem 17 (Created page with "==Problem== The perimeter of an equilateral triangle exceeds the perimeter of a square by <math>1989 \ \text{cm}</math>. The length of each side of the triangle exceeds the leng...")
- 11:39, 29 August 2011 (diff | hist) . . (-165) . . User:Mrdavid445 (Replaced content with "Magical Bunny")
- 20:30, 19 August 2011 (diff | hist) . . (+450) . . N 1995 AJHSME Problems/Problem 25 (Created page with "==Problem== Buses from Dallas to Houston leave every hour on the hour. Buses from Houston to Dallas leave every hour on the half hour. The trip from one city to the other takes...")
- 20:30, 19 August 2011 (diff | hist) . . (+1,056) . . N 1995 AJHSME Problems/Problem 24 (Created page with "==Problem== In parallelogram <math>ABCD</math>, <math>\overline{DE}</math> is the altitude to the base <math>\overline{AB}</math> and <math>\overline{DF}</math> is the altitude t...")
- 20:29, 19 August 2011 (diff | hist) . . (+281) . . N 1995 AJHSME Problems/Problem 23 (Created page with "==Problem== How many four-digit whole numbers are there such that the leftmost digit is odd, the second digit is even, and all four digits are different? <math>\text{(A)}\ 1120...")
- 20:28, 19 August 2011 (diff | hist) . . (+274) . . N 1995 AJHSME Problems/Problem 22 (Created page with "==Problem== The number <math>6545</math> can be written as a product of a pair of positive two-digit numbers. What is the sum of this pair of numbers? <math>\text{(A)}\ 162 \q...")
- 20:28, 19 August 2011 (diff | hist) . . (+659) . . Nm 1995 AJHSME Problems/Problem 21 (Created page with "==Problem== A plastic snap-together cube has a protruding snap on one side and receptacle holes on the other five sides as shown. What is the smallest number of these cubes tha...")
- 20:27, 19 August 2011 (diff | hist) . . (+369) . . N 1995 AJHSME Problems/Problem 20 (Created page with "==Problem== Diana and Apollo each roll a standard die obtaining a number at random from <math>1</math> to <math>6</math>. What is the probability that Diana's number is larger ...")
- 20:26, 19 August 2011 (diff | hist) . . (+1,371) . . N 1995 AJHSME Problems/Problem 19 (Created page with "==Problem== The graph shows the distribution of the number of children in the families of the students in Ms. Jordan's English class. The median number of children in the family...")
- 20:25, 19 August 2011 (diff | hist) . . (+492) . . N 1995 AJHSME Problems/Problem 18 (Created page with "==Problem== The area of each of the four congruent L-shaped regions of this 100-inch by 100-inch square is 3/16 of the total area. How many inches long is the side of the cente...")
- 20:24, 19 August 2011 (diff | hist) . . (-8) . . 1995 AJHSME Problems/Problem 17 (→Problem)
- 20:24, 19 August 2011 (diff | hist) . . (+735) . . N 1995 AJHSME Problems/Problem 17 (Created page with "==Problem== The table below gives the percent of students in each grade at Annville and Cleona elementary schools: \[\begin{tabular}{rccccccc} & \textbf{\underline{K}} & \text...")
- 20:23, 19 August 2011 (diff | hist) . . (+686) . . N 1995 AJHSME Problems/Problem 16 (Created page with "==Problem== Students from three middle schools worked on a summer project. *Seven students from Allen school worked for <math>3</math> days. *Four students from Balboa school w...")
- 20:22, 19 August 2011 (diff | hist) . . (+245) . . N 1995 AJHSME Problems/Problem 15 (Created page with "==Problem== What is the <math>100^\text{th}</math> digit to the right of the decimal point in the decimal form of <math>4/37</math>? <math>\text{(A)}\ 0 \qquad \text{(B)}\ 1 \q...")
- 20:21, 19 August 2011 (diff | hist) . . (+336) . . N 1995 AJHSME Problems/Problem 14 (Created page with "==Problem== A team won <math>40</math> of its first <math>50</math> games. How many of the remaining <math>40</math> games must this team win so it will have won exactly <math>...")
- 20:19, 19 August 2011 (diff | hist) . . (+827) . . N 1995 AJHSME Problems/Problem 13 (Created page with "==Problem== In the figure, <math>\angle A</math>, <math>\angle B</math>, and <math>\angle C</math> are right angles. If <math>\angle AEB = 40^\circ </math> and <math>\angle BED...")
- 20:15, 19 August 2011 (diff | hist) . . (+434) . . N 1993 AJHSME Problems/Problem 25 (Created page with "==Problem== A checkerboard consists of one-inch squares. A square card, <math>1.5</math> inches on a side, is placed on the board so that it covers part or all of the area of e...")
- 20:15, 19 August 2011 (diff | hist) . . (+6) . . 1993 AJHSME Problems/Problem 24 (→Problem)
- 20:15, 19 August 2011 (diff | hist) . . (+336) . . N 1993 AJHSME Problems/Problem 24 (Created page with "==Problem== What number is directly above <math>142</math> in this array of numbers? \[\begin{tabular}{cccccc} & & & 1 & & \\ & & 2 & 3 & 4 & \\ & 5 & 6 & 7 & 8 & 9 \\ 10 & 11...")
- 20:14, 19 August 2011 (diff | hist) . . (+537) . . N 1993 AJHSME Problems/Problem 23 (Created page with "==Problem== Five runners, <math>P</math>, <math>Q</math>, <math>R</math>, <math>S</math>, <math>T</math>, have a race, and <math>P</math> beats <math>Q</math>, <math>P</math> be...")
- 20:14, 19 August 2011 (diff | hist) . . (+305) . . N 1993 AJHSME Problems/Problem 22 (Created page with "==Problem== Pat Peano has plenty of 0's, 1's, 3's, 4's, 5's, 6's, 7's, 8's and 9's, but he has only twenty-two 2's. How far can he number the pages of his scrapbook with these ...")
- 20:14, 19 August 2011 (diff | hist) . . (+286) . . N 1993 AJHSME Problems/Problem 21 (Created page with "==Problem== If the length of a rectangle is increased by <math>20\% </math> and its width is increased by <math>50\% </math>, then the area is increased by <math>\text{(A)}\ 1...")
- 20:13, 19 August 2011 (diff | hist) . . (+225) . . N 1993 AJHSME Problems/Problem 20 (Created page with "==Problem== When <math>10^{93}-93</math> is expressed as a single whole number, the sum of the digits is <math>\text{(A)}\ 10 \qquad \text{(B)}\ 93 \qquad \text{(C)}\ 819 \qqua...")
- 20:13, 19 August 2011 (diff | hist) . . (+230) . . N 1993 AJHSME Problems/Problem 19 (Created page with "==Problem== <math>(1901+1902+1903+\cdots + 1993) - (101+102+103+\cdots + 193) = </math> <math>\text{(A)}\ 167,400 \qquad \text{(B)}\ 172,050 \qquad \text{(C)}\ 181,071 \qquad \...")
- 20:12, 19 August 2011 (diff | hist) . . (+697) . . N 1993 AJHSME Problems/Problem 18 (Created page with "==Problem== The rectangle shown has length <math>AC=32</math>, width <math>AE=20</math>, and <math>B</math> and <math>F</math> are midpoints of <math>\overline{AC}</math> and <m...")
- 20:10, 19 August 2011 (diff | hist) . . (+868) . . N 1993 AJHSME Problems/Problem 17 (Created page with "==Problem== Square corners, <math>5</math> units on a side, are removed from a <math>20</math> unit by <math>30</math> unit rectangular sheet of cardboard. The sides are then f...")
- 20:09, 19 August 2011 (diff | hist) . . (+185) . . N 1993 AJHSME Problems/Problem 16 (Created page with "==Problem== <math> \frac{1}{1+\frac{1}{2+\frac{1}{3}}}= </math> <math> \text{(A)}\ 81.0\qquad\text{(B)}\ 82.7\qquad\text{(C)}\ 83.0\qquad\text{(D)}\ 84.0\qquad\text{(E)}\ 84.3 ...")
- 20:08, 19 August 2011 (diff | hist) . . (+307) . . N 1993 AJHSME Problems/Problem 15 (Created page with "==Problem== The arithmetic mean (average) of four numbers is <math>85</math>. If the largest of these numbers is <math>97</math>, then the mean of the remaining three numbers i...")
- 20:07, 19 August 2011 (diff | hist) . . (+6) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (0) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (+1) . . 1993 AJHSME Problems/Problem 14 (→Problem)
- 20:06, 19 August 2011 (diff | hist) . . (+388) . . N 1993 AJHSME Problems/Problem 14 (Created page with "==Problem== The nine squares in the table shown are to be filled so that every row and every column contains each of the numbers <math>1,2,3</math>. Then <math>A+B=</math> \[\...")
- 20:05, 19 August 2011 (diff | hist) . . (+1,713) . . N 1993 AJHSME Problems/Problem 13 (Created page with "==Problem== The word "'''HELP'''" in block letters is painted in black with strokes <math>1</math> unit wide on a <math>5</math> by <math>15</math> rectangular white sign with d...")
- 20:05, 19 August 2011 (diff | hist) . . (+510) . . N 1993 AJHSME Problems/Problem 12 (Created page with "==Problem== If each of the three operation signs, <math>+</math>, <math>-</math>, <math>\times </math>, is used exactly ONCE in one of the blanks in the expression <cmath>5\hsp...")
- 20:56, 18 August 2011 (diff | hist) . . (+724) . . N 1992 AJHSME Problems/Problem 24 (Created page with "==Problem== Four circles of radius <math>3</math> are arranged as shown. Their centers are the vertices of a square. The area of the shaded region is closest to <asy> fill((3...")
- 20:55, 18 August 2011 (diff | hist) . . (+298) . . N 1992 AJHSME Problems/Problem 23 (Created page with "==Problem== If two dice are tossed, the probability that the product of the numbers showing on the tops of the dice is greater than 10 is <math> \text{(A)}\ \frac{3}{7}\qquad\t...")
- 20:55, 18 August 2011 (diff | hist) . . (+680) . . N 1992 AJHSME Problems/Problem 22 (Created page with "==Problem== Eight <math>1\times 1</math> square tiles are arranged as shown so their outside edges form a polygon with a perimeter of <math>14</math> units. Two additional tile...")
- 20:54, 18 August 2011 (diff | hist) . . (+2,058) . . N 1992 AJHSME Problems/Problem 21 (Created page with "==Problem== Northside's Drum and Bugle Corps raised money for a trip. The drummers and bugle players kept separate sales records. According to the double bar graph, in what mont...")
- 20:52, 18 August 2011 (diff | hist) . . (+1,112) . . N 1992 AJHSME Problems/Problem 20 (Created page with "==Problem== Which pattern of identical squares could NOT be folded along the lines shown to form a cube? <asy> unitsize(12); draw((0,0)--(0,-1)--(1,-1)--(1,-2)--(2,-2)--(2,-3)-...")
- 20:51, 18 August 2011 (diff | hist) . . (+492) . . N 1992 AJHSME Problems/Problem 19 (Created page with "==Problem== The distance between the <math>5^\text{th}</math> and <math>26^\text{th}</math> exits on an interstate highway is <math>118</math> miles. If any two exits are at le...")
- 20:51, 18 August 2011 (diff | hist) . . (+418) . . N 1992 AJHSME Problems/Problem 18 (Created page with "==Problem== On a trip, a car traveled <math>80</math> miles in an hour and a half, then was stopped in traffic for <math>30</math> minutes, then traveled <math>100</math> miles ...")
- 20:50, 18 August 2011 (diff | hist) . . (+510) . . N 1992 AJHSME Problems/Problem 17 (Created page with "==Problem== The sides of a triangle have lengths <math>6.5</math>, <math>10</math>, and <math>s</math>, where <math>s</math> is a whole number. What is the smallest possible va...")
- 20:49, 18 August 2011 (diff | hist) . . (+1,564) . . N 1992 AJHSME Problems/Problem 16 (Created page with "==Problem== <asy> draw(ellipse((0,-5),10,3)); fill((-10,-5)--(10,-5)--(10,5)--(-10,5)--cycle,white); draw(ellipse((0,0),10,3)); draw((10,0)--(10,-5)); draw((-10,0)--(-10,-5)); ...")
- 20:46, 18 August 2011 (diff | hist) . . (+289) . . N 1992 AJHSME Problems/Problem 15 (Created page with "==Problem== What is the <math>1992^\text{nd}</math> letter in this sequence? <cmath>\text{ABCDEDCBAABCDEDCBAABCDEDCBAABCDEDC}\cdots </cmath> <math>\text{(A)}\ \text{A} \qquad ...")
- 12:39, 18 August 2011 (diff | hist) . . (-61) . . 1993 AHSME Problems/Problem 1
- 12:16, 18 August 2011 (diff | hist) . . (-96) . . AMC 12 Problems and Solutions
- 12:15, 18 August 2011 (diff | hist) . . (+425) . . AMC 12 Problems and Solutions
- 11:05, 18 August 2011 (diff | hist) . . (+51) . . AMC 12 Problems and Solutions
- 21:36, 16 August 2011 (diff | hist) . . (+51) . . AMC 12 Problems and Solutions
- 20:19, 16 August 2011 (diff | hist) . . (-25) . . 1979 USAMO
- 20:17, 16 August 2011 (diff | hist) . . (+212) . . N 1979 USAMO Problems/Problem 5 (Created page with "==Problem== Let <math>A_1,A_2,...,A_{n+1}</math> be distinct subsets of <math>[n]</math> with <math>|A_1|=|A_2|=\cdots =|A_n|=3</math>. Prove that <math>|A_i\cap A_j|=1</math> ...")
- 20:17, 16 August 2011 (diff | hist) . . (+1,352) . . N 1979 USAMO Problems/Problem 4 (Created page with "==Problem== <math>P</math> lies between the rays <math>OA</math> and <math>OB</math>. Find <math>Q</math> on <math>OA</math> and <math>R</math> on <math>OB</math> collinear with...")
- 20:16, 16 August 2011 (diff | hist) . . (+432) . . N 1979 USAMO Problems/Problem 3 (Created page with "==Problem== <math>a_1, a_2, \ldots, a_n</math> is an arbitrary sequence of positive integers. A member of the sequence is picked at random. Its value is <math>a</math>. Another...")
- 20:13, 16 August 2011 (diff | hist) . . (+409) . . N 1979 USAMO Problems/Problem 2 (Created page with "==Problem== <math>N</math> is the north pole. <math>A</math> and <math>B</math> are points on a great circle through <math>N</math> equidistant from <math>N</math>. <math>C</mat...")
- 20:02, 16 August 2011 (diff | hist) . . (+201) . . 1978 USAMO Problems (→Problem 5)
- 20:02, 16 August 2011 (diff | hist) . . (+181) . . 1978 USAMO Problems (→Problem 4)
- 20:01, 16 August 2011 (diff | hist) . . (+230) . . 1978 USAMO Problems (→Problem 3)
- 19:59, 16 August 2011 (diff | hist) . . (+302) . . 1978 USAMO Problems (→Problem 2)
- 19:59, 16 August 2011 (diff | hist) . . (+127) . . 1978 USAMO Problems (→Problem 1)
- 15:22, 15 August 2011 (diff | hist) . . (+389) . . 2004 AMC 8 Problems
- 14:55, 15 August 2011 (diff | hist) . . (-1,470) . . 2004 AMC 8 Problems (Blanked the page)
- 14:49, 15 August 2011 (diff | hist) . . (+383) . . N 1994 AJHSME Problems/Problem 25 (Created page with "==Problem== Find the sum of the digits in the answer to <math>\underbrace{9999\cdots 99}_{94\text{ nines}} \times \underbrace{4444\cdots 44}_{94\text{ fours}}</math> where a s...")
- 14:49, 15 August 2011 (diff | hist) . . (+500) . . N 1994 AJHSME Problems/Problem 24 (Created page with "==Problem== A <math>2</math> by <math>2</math> square is divided into four <math>1</math> by <math>1</math> squares. Each of the small squares is to be painted either green or ...")
- 14:48, 15 August 2011 (diff | hist) . . (+370) . . N 1994 AJHSME Problems/Problem 23 (Created page with "==Problem== If <math>X</math>, <math>Y</math> and <math>Z</math> are different digits, then the largest possible <math>3-</math>digit sum for <math>\begin{tabular}{ccc} X & X &...")
- 14:48, 15 August 2011 (diff | hist) . . (+747) . . N 1994 AJHSME Problems/Problem 22 (Created page with "==Problem== The two wheels shown below are spun and the two resulting numbers are added. The probability that the sum is even is <asy> draw(circle((0,0),3)); draw(circle((7,0)...")
- 14:47, 15 August 2011 (diff | hist) . . (+334) . . N 1994 AJHSME Problems/Problem 21 (Created page with "==Problem== A gumball machine contains <math>9</math> red, <math>7</math> white, and <math>8</math> blue gumballs. The least number of gumballs a person must buy to be sure of ...")
- 14:47, 15 August 2011 (diff | hist) . . (+455) . . N 1994 AJHSME Problems/Problem 20 (Created page with "==Problem== Let <math>W,X,Y</math> and <math>Z</math> be four different digits selected from the set <math>\{ 1,2,3,4,5,6,7,8,9\}.</math> If the sum <math>\dfrac{W}{X} + \dfra...")
- 14:46, 15 August 2011 (diff | hist) . . (+941) . . N 1994 AJHSME Problems/Problem 19 (Created page with "==Problem== Around the outside of a <math>4</math> by <math>4</math> square, construct four semicircles (as shown in the figure) with the four sides of the square as their diame...")
- 14:45, 15 August 2011 (diff | hist) . . (+1,815) . . N 1994 AJHSME Problems/Problem 18 (Created page with "==Problem== Mike leaves home and drives slowly east through city traffic. When he reaches the highway he drives east more rapidly until he reaches the shopping mall where he st...")
- 14:44, 15 August 2011 (diff | hist) . . (+569) . . N 1994 AJHSME Problems/Problem 17 (Created page with "==Problem== Pauline Bunyan can shovel snow at the rate of <math>20</math> cubic yards for the first hour, <math>19</math> cubic yards for the second, <math>18</math> for the thi...")
- 14:43, 15 August 2011 (diff | hist) . . (+290) . . N 1994 AJHSME Problems/Problem 16 (Created page with "==Problem== The perimeter of one square is <math>3</math> times the perimeter of another square. The area of the larger square is how many times the area of the smaller square?...")
- 14:42, 15 August 2011 (diff | hist) . . (+1,974) . . N 1994 AJHSME Problems/Problem 15 (Created page with "==Problem== If this path is to continue in the same pattern: <asy> unitsize(24); draw((0,0)--(1,0)--(1,1)--(2,1)--(2,0)--(3,0)--(3,1)--(4,1)--(4,0)--(5,0)--(5,1)--(6,1)); draw(...")
- 14:40, 15 August 2011 (diff | hist) . . (+356) . . N 1994 AJHSME Problems/Problem 14 (Created page with "==Problem== Two children at a time can play pairball. For <math>90</math> minutes, with only two children playing at time, five children take turns so that each one plays the s...")
- 14:40, 15 August 2011 (diff | hist) . . (+269) . . N 1994 AJHSME Problems/Problem 13 (Created page with "==Problem== The number halfway between <math>\dfrac{1}{6}</math> and <math>\dfrac{1}{4}</math> is <math>\text{(A)}\ \dfrac{1}{10} \qquad \text{(B)}\ \dfrac{1}{5} \qquad \text{(...")
- 14:40, 15 August 2011 (diff | hist) . . (+13) . . 1994 AJHSME Problems/Problem 12
- 14:39, 15 August 2011 (diff | hist) . . (+470) . . N 1994 AJHSME Problems/Problem 12 (Created page with "A lucky year is one in which at least one date, when written in the form month/day/year, has the following property: ''The product of the month times the day equals the last two ...")
- 14:39, 15 August 2011 (diff | hist) . . (+488) . . N 1994 AJHSME Problems/Problem 11 (Created page with "==Problem== Last summer <math>100</math> students attended basketball camp. Of those attending, <math>52</math> were boys and <math>48</math> were girls. Also, <math>40</math>...")
- 14:39, 15 August 2011 (diff | hist) . . (+240) . . N 1994 AJHSME Problems/Problem 10 (Created page with "==Problem== For how many positive integer values of <math>N</math> is the expression <math>\dfrac{36}{N+2}</math> an integer? <math>\text{(A)}\ 7 \qquad \text{(B)}\ 8 \qquad \t...")
- 14:38, 15 August 2011 (diff | hist) . . (+517) . . N 1994 AJHSME Problems/Problem 9 (Created page with "==Problem== A shopper buys a <math>100</math> dollar coat on sale for <math>20\% </math> off. An additional <math>5</math> dollars are taken off the sale price by using a disco...")
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