Difference between revisions of "2007 AMC 8 Problems"
(→Problem 5) |
(→Problem 5) |
||
| Line 33: | Line 33: | ||
==Problem 5== | ==Problem 5== | ||
| − | Chandler wants to buy a <math></math>500<math> mountain bike. For his birthday, his grandparents | + | Chandler wants to buy a <math>\</math><math>500</math> mountain bike. For his birthday, his grandparents |
| − | send him </math>50, his aunt sends him <math>35 and his cousin gives him </math>15. He earns | + | send him <math>\</math><math>50</math>, his aunt sends him <math>\</math><math>35</math> and his cousin gives him <math>\</math><math>15</math>. He earns |
| − | <math>16 per week for his paper route. He will use all of his birthday money and all | + | <math>\</math><math>16</math> per week for his paper route. He will use all of his birthday money and all |
of the money he earns from his paper route. In how many weeks will he be able | of the money he earns from his paper route. In how many weeks will he be able | ||
to buy the mountain bike? | to buy the mountain bike? | ||
| − | < | + | <math>\mathrm{(A)}\ 24 \qquad\mathrm{(B)}\ 25 \qquad\mathrm{(C)}\ 26 \qquad\mathrm{(D)}\ 27 \qquad\mathrm{(E)}\ 28</math> |
[[2007 AMC 8 Problems/Problem 5|Solution]] | [[2007 AMC 8 Problems/Problem 5|Solution]] | ||
Revision as of 14:02, 15 February 2010
Contents
- 1 Problem 1
- 2 Problem 2
- 3 Problem 3
- 4 Problem 4
- 5 Problem 5
- 6 Problem 6
- 7 Problem 7
- 8 Problem 8
- 9 Problem 9
- 10 Problem 10
- 11 Problem 11
- 12 Problem 12
- 13 Problem 13
- 14 Problem 14
- 15 Problem 15
- 16 Problem 16
- 17 Problem 17
- 18 Problem 18
- 19 Problem 19
- 20 Problem 20
- 21 Problem 21
- 22 Problem 22
- 23 Problem 23
- 24 Problem 24
- 25 Problem 25
- 26 See also
Problem 1
Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of 10 hours per week helping around the house for 6 weeks. For the first 5 weeks she helps around the house for 8,11,7,12 and 10 hours. How many hours must she work for the final week to earn the tickets?
(A) 9 (B) 10 (C) 11 (D) 12 (E) 13
Problem 2
650 students were surveyed about their pasta preferences. The choices were lasagna, manicotti, ravioli and spaghetti. The results of the survey are displayed in the bar graph. What is the ratio of the number of students who preferred spaghetti to the number of students who preferred manicotti?
Problem 3
What is the sum of the two smallest prime factors of 250?
Problem 4
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?
Problem 5
Chandler wants to buy a 
mountain bike. For his birthday, his grandparents
send him 
, his aunt sends him 
and his cousin gives him 
. He earns
per week for his paper route. He will use all of his birthday money and all
of the money he earns from his paper route. In how many weeks will he be able
to buy the mountain bike?
