User contributions
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)
- 17:16, 15 February 2010 (diff | hist) . . (+15) . . 2007 AMC 8 Problems/Problem 9 (→Solution)
- 17:16, 15 February 2010 (diff | hist) . . (+733) . . N 2007 AMC 8 Problems/Problem 9 (Created page with '== Problem == To complete the grid below, each of the digits 1 through 4 must occur once in each row and once in each column. What number will occupy the lower right-hand square…')
- 17:10, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 8S.png (current)
- 17:10, 15 February 2010 (diff | hist) . . (+45) . . 2007 AMC 8 Problems/Problem 8 (→Solution)
- 17:07, 15 February 2010 (diff | hist) . . (+846) . . N 2007 AMC 8 Problems/Problem 8 (Created page with '== Problem == In trapezoid <math>ABCD</math>, <math>AD</math> is perpendicular to <math>DC</math>, <math>AD</math> = <math>AB</math> = <math>3</math>, and <math>DC</math> = <mat…')
- 17:00, 15 February 2010 (diff | hist) . . (+322) . . 2007 AMC 8 Problems/Problem 7 (→Solution)
- 16:55, 15 February 2010 (diff | hist) . . (+592) . . N 2007 AMC 8 Problems/Problem 7 (Created page with '== Problem == The average age of <math>5</math> people in a room is <math>30</math> years. An <math>18</math>-year-old person leaves the room. What is the average age of the fou…')
- 16:50, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 25.png (current)
- 16:50, 15 February 2010 (diff | hist) . . (+667) . . 2007 AMC 8 Problems (→Problem 25)
- 16:47, 15 February 2010 (diff | hist) . . (+453) . . 2007 AMC 8 Problems (→Problem 24)
- 16:46, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 23.png (current)
- 16:45, 15 February 2010 (diff | hist) . . (+257) . . 2007 AMC 8 Problems (→Problem 23)
- 16:43, 15 February 2010 (diff | hist) . . (0) . . 2007 AMC 8 Problems (→Problem 22)
- 16:41, 15 February 2010 (diff | hist) . . (-38) . . 2007 AMC 8 Problems (→Problem 22)
- 16:41, 15 February 2010 (diff | hist) . . (+567) . . 2007 AMC 8 Problems (→Problem 22)
- 16:21, 15 February 2010 (diff | hist) . . (+422) . . 2007 AMC 8 Problems (→Problem 21)
- 16:19, 15 February 2010 (diff | hist) . . (+40) . . 2007 AMC 8 Problems (→Problem 20)
- 16:11, 15 February 2010 (diff | hist) . . (+696) . . N 2007 AMC 8 Problems/Problem 6 (Created page with '== Problem == The average cost of a long-distance call in the USA in <math>1985</math> was <math>41</math> cents per minute, and the average cost of a long-distance call in the …')
- 16:02, 15 February 2010 (diff | hist) . . (+857) . . N 2007 AMC 8 Problems/Problem 5 (Created page with '== Problem == Chandler wants to buy a <math>\</math><math>500</math> mountain bike. For his birthday, his grandparents send him <math>\</math><math>50</math>, his aunt sends him…')
- 15:56, 15 February 2010 (diff | hist) . . (+596) . . N 2007 AMC 8 Problems/Problem 4 (Created page with '== Problem == A haunted house has six windows. In how many ways can Georgie the Ghost enter the house by one window and leave by a different window? <math>\mathrm{(A)}\ 12 \qqu…')
- 15:52, 15 February 2010 (diff | hist) . . (-44) . . 2007 AMC 8 Problems/Problem 2 (→Problem)
- 15:52, 15 February 2010 (diff | hist) . . (-44) . . 2007 AMC 8 Problems/Problem 3 (→Problem)
- 15:51, 15 February 2010 (diff | hist) . . (+447) . . N 2007 AMC 8 Problems/Problem 3 (Created page with '== Problem == What is the sum of the two smallest prime factors of <math>250</math>? <math>\mathrm{(A)}\ 2 \qquad\mathrm{(B)}\ 5 \qquad\mathrm{(C)}\ 7 \qquad\mathrm{(D)}\ 10 \q…')
- 15:47, 15 February 2010 (diff | hist) . . (-17) . . 2007 AMC 8 Problems/Problem 2 (→Solution)
- 15:46, 15 February 2010 (diff | hist) . . (+13) . . 2007 AMC 8 Problems/Problem 2 (→Solution)
- 15:46, 15 February 2010 (diff | hist) . . (+814) . . N 2007 AMC 8 Problems/Problem 2 (Created page with '== Problem == <math>650</math> students were surveyed about their pasta preferences. The choices were lasagna, manicotti, ravioli and spaghetti. The results of the survey are dis…')
- 15:40, 15 February 2010 (diff | hist) . . (+14) . . 2007 AMC 8 Problems/Problem 1 (→Solution)
- 15:40, 15 February 2010 (diff | hist) . . (0) . . 2007 AMC 8 Problems/Problem 1 (→Solution)
- 15:40, 15 February 2010 (diff | hist) . . (+3) . . 2007 AMC 8 Problems/Problem 1 (→Solution)
- 15:39, 15 February 2010 (diff | hist) . . (+207) . . 2007 AMC 8 Problems/Problem 1 (→Solution)
- 15:36, 15 February 2010 (diff | hist) . . (+651) . . N 2007 AMC 8 Problems/Problem 1 (Created page with '== Problem == Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of <math>10</math> hours per week helping around the house for <m…')
- 15:30, 15 February 2010 (diff | hist) . . (+331) . . 2007 AMC 8 Problems (→Problem 19)
- 15:30, 15 February 2010 (diff | hist) . . (+331) . . 2007 AMC 8 Problems (→Problem 20)
- 15:28, 15 February 2010 (diff | hist) . . (+91) . . 2007 AMC 8 Problems (→Problem 18)
- 15:28, 15 February 2010 (diff | hist) . . (-3) . . 2007 AMC 8 Problems (→Problem 18)
- 15:27, 15 February 2010 (diff | hist) . . (+290) . . 2007 AMC 8 Problems (→Problem 18)
- 15:25, 15 February 2010 (diff | hist) . . (+3) . . 2007 AMC 8 Problems (→Problem 17)
- 15:24, 15 February 2010 (diff | hist) . . (+377) . . 2007 AMC 8 Problems (→Problem 17)
- 15:23, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 16.png (current)
- 15:20, 15 February 2010 (diff | hist) . . (+316) . . 2007 AMC 8 Problems (→Problem 16)
- 15:19, 15 February 2010 (diff | hist) . . (-1) . . 2007 AMC 8 Problems (→Problem 15)
- 15:18, 15 February 2010 (diff | hist) . . (0) . . 2007 AMC 8 Problems (→Problem 15)
- 15:18, 15 February 2010 (diff | hist) . . (-1) . . 2007 AMC 8 Problems (→Problem 15)
- 15:18, 15 February 2010 (diff | hist) . . (-66) . . 2007 AMC 8 Problems (→Problem 15)
- 15:17, 15 February 2010 (diff | hist) . . (+363) . . 2007 AMC 8 Problems (→Problem 15)
- 15:16, 15 February 2010 (diff | hist) . . (+5) . . 2007 AMC 8 Problems (→Problem 14)
- 15:15, 15 February 2010 (diff | hist) . . (+5) . . 2007 AMC 8 Problems (→Problem 13)
- 15:15, 15 February 2010 (diff | hist) . . (+5) . . 2007 AMC 8 Problems (→Problem 12)
- 15:14, 15 February 2010 (diff | hist) . . (+4) . . 2007 AMC 8 Problems (→Problem 11)
- 15:14, 15 February 2010 (diff | hist) . . (+5) . . 2007 AMC 8 Problems (→Problem 10)
- 15:14, 15 February 2010 (diff | hist) . . (+4) . . 2007 AMC 8 Problems (→Problem 9)
- 15:10, 15 February 2010 (diff | hist) . . (+272) . . 2007 AMC 8 Problems (→Problem 14)
- 15:07, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 13.png (current)
- 15:06, 15 February 2010 (diff | hist) . . (+423) . . 2007 AMC 8 Problems (→Problem 13)
- 15:06, 15 February 2010 (diff | hist) . . (+9) . . 2007 AMC 8 Problems (→Problem 11)
- 15:05, 15 February 2010 (diff | hist) . . (-9) . . 2007 AMC 8 Problems (→Problem 11)
- 15:03, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 12.png (current)
- 15:02, 15 February 2010 (diff | hist) . . (+422) . . 2007 AMC 8 Problems (→Problem 12)
- 14:59, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 11.png (current)
- 14:59, 15 February 2010 (diff | hist) . . (+39) . . 2007 AMC 8 Problems (→Problem 11)
- 14:58, 15 February 2010 (diff | hist) . . (+466) . . 2007 AMC 8 Problems (→Problem 11)
- 14:44, 15 February 2010 (diff | hist) . . (+86) . . 2007 AMC 8 Problems (→Problem 10)
- 14:43, 15 February 2010 (diff | hist) . . (-13) . . 2007 AMC 8 Problems (→Problem 10)
- 14:43, 15 February 2010 (diff | hist) . . (+34) . . 2007 AMC 8 Problems (→Problem 10)
- 14:43, 15 February 2010 (diff | hist) . . (-13) . . 2007 AMC 8 Problems (→Problem 10)
- 14:42, 15 February 2010 (diff | hist) . . (+3) . . 2007 AMC 8 Problems (→Problem 10)
- 14:42, 15 February 2010 (diff | hist) . . (-13) . . 2007 AMC 8 Problems (→Problem 10)
- 14:41, 15 February 2010 (diff | hist) . . (+27) . . 2007 AMC 8 Problems (→Problem 10)
- 14:40, 15 February 2010 (diff | hist) . . (-13) . . 2007 AMC 8 Problems (→Problem 10)
- 14:40, 15 February 2010 (diff | hist) . . (+243) . . 2007 AMC 8 Problems (→Problem 10)
- 14:37, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 9.png (current)
- 14:35, 15 February 2010 (diff | hist) . . (-8) . . 2007 AMC 8 Problems (→Problem 9)
- 14:35, 15 February 2010 (diff | hist) . . (+51) . . 2007 AMC 8 Problems (→Problem 9)
- 14:34, 15 February 2010 (diff | hist) . . (+1) . . 2007 AMC 8 Problems (→Problem 9)
- 14:33, 15 February 2010 (diff | hist) . . (0) . . 2007 AMC 8 Problems (→Problem 9)
- 14:33, 15 February 2010 (diff | hist) . . (-10) . . 2007 AMC 8 Problems (→Problem 9)
- 14:32, 15 February 2010 (diff | hist) . . (+312) . . 2007 AMC 8 Problems (→Problem 9)
- 14:31, 15 February 2010 (diff | hist) . . (+167) . . 2007 AMC 8 Problems (→Problem 2)
- 14:28, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 2.png (current)
- 14:28, 15 February 2010 (diff | hist) . . (+23) . . 2007 AMC 8 Problems (→Problem 2)
- 14:22, 15 February 2010 (diff | hist) . . (0) . . 2007 AMC 8 Problems (→Problem 8)
- 14:21, 15 February 2010 (diff | hist) . . (0) . . N File:AMC8 2007 8.png (current)
- 14:19, 15 February 2010 (diff | hist) . . (+44) . . 2007 AMC 8 Problems (→Problem 8)
- 14:15, 15 February 2010 (diff | hist) . . (-33) . . 2007 AMC 8 Problems (→Problem 8)
- 14:15, 15 February 2010 (diff | hist) . . (+472) . . 2007 AMC 8 Problems (→Problem 8)
- 14:10, 15 February 2010 (diff | hist) . . (-35) . . 2007 AMC 8 Problems (→Problem 7)
- 14:10, 15 February 2010 (diff | hist) . . (+342) . . 2007 AMC 8 Problems (→Problem 7)
- 14:07, 15 February 2010 (diff | hist) . . (+107) . . 2007 AMC 8 Problems (→Problem 1)
- 14:06, 15 February 2010 (diff | hist) . . (+13) . . 2007 AMC 8 Problems (→Problem 2)
- 14:06, 15 February 2010 (diff | hist) . . (+13) . . 2007 AMC 8 Problems (→Problem 3)
- 14:05, 15 February 2010 (diff | hist) . . (+435) . . 2007 AMC 8 Problems (→Problem 6)
- 14:04, 15 February 2010 (diff | hist) . . (+87) . . 2007 AMC 8 Problems (→Problem 1)
- 14:02, 15 February 2010 (diff | hist) . . (+95) . . 2007 AMC 8 Problems (→Problem 5)
- 14:01, 15 February 2010 (diff | hist) . . (+13) . . 2007 AMC 8 Problems (→Problem 5)
- 14:00, 15 February 2010 (diff | hist) . . (+485) . . 2007 AMC 8 Problems (→Problem 5)
- 13:59, 15 February 2010 (diff | hist) . . (-1) . . 2007 AMC 8 Problems (→Problem 3)
- 13:59, 15 February 2010 (diff | hist) . . (+259) . . 2007 AMC 8 Problems (→Problem 4)
- 13:57, 15 February 2010 (diff | hist) . . (+87) . . 2007 AMC 8 Problems (→Problem 3)
- 13:56, 15 February 2010 (diff | hist) . . (+93) . . 2007 AMC 8 Problems (→Problem 3)
- 11:24, 3 February 2010 (diff | hist) . . (-1) . . 2002 AMC 10B Problems (→Problem 13)
(newest | oldest) View (newer 100 | older 100) (20 | 50 | 100 | 250 | 500)