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Difference between revisions of "2007 AMC 8 Problems"

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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?
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==Problem 1==
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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
 
(A) 9 (B) 10 (C) 11 (D) 12 (E) 13
  
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[[2007 AMC 8 Problems/Problem 1|Solution]]
  
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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?
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==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?
  
 
[[Image:Graph.jpg]]
 
[[Image:Graph.jpg]]
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[[2007 AMC 8 Problems/Problem 2|Solution]]
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==Problem 3==
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[[2007 AMC 8 Problems/Problem 3|Solution]]
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==Problem 4==
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[[2007 AMC 8 Problems/Problem 4|Solution]]
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==Problem 5==
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[[2007 AMC 8 Problems/Problem 5|Solution]]
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==Problem 6==
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[[2007 AMC 8 Problems/Problem 6|Solution]]
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==Problem 7==
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[[2007 AMC 8 Problems/Problem 7|Solution]]
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==Problem 8==
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[[2007 AMC 8 Problems/Problem 8|Solution]]
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==Problem 9==
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[[2007 AMC 8 Problems/Problem 9|Solution]]
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==Problem 10==
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[[2007 AMC 8 Problems/Problem 10|Solution]]
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==Problem 11==
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[[2007 AMC 8 Problems/Problem 11|Solution]]
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==Problem 12==
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[[2007 AMC 8 Problems/Problem 12|Solution]]
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==Problem 13==
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[[2007 AMC 8 Problems/Problem 13|Solution]]
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==Problem 14==
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[[2007 AMC 8 Problems/Problem 14|Solution]]
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==Problem 15==
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[[2007 AMC 8 Problems/Problem 15|Solution]]
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==Problem 16==
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[[2007 AMC 8 Problems/Problem 16|Solution]]
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==Problem 17==
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[[2007 AMC 8 Problems/Problem 17|Solution]]
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==Problem 18==
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[[2007 AMC 8 Problems/Problem 18|Solution]]
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==Problem 19==
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[[2007 AMC 8 Problems/Problem 19|Solution]]
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==Problem 20==
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[[2007 AMC 8 Problems/Problem 20|Solution]]
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==Problem 21==
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[[2007 AMC 8 Problems/Problem 21|Solution]]
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==Problem 22==
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[[2007 AMC 8 Problems/Problem 22|Solution]]
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==Problem 23==
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[[2007 AMC 8 Problems/Problem 23|Solution]]
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==Problem 24==
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[[2007 AMC 8 Problems/Problem 24|Solution]]
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==Problem 25==
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[[2007 AMC 8 Problems/Problem 25|Solution]]
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==See also==
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[[AMC 8]]
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[[AMC 8 Problems and Solutions]]

Revision as of 15:40, 12 November 2008

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

Solution

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?

Graph.jpg

Solution

Problem 3

Solution

Problem 4

Solution

Problem 5

Solution

Problem 6

Solution

Problem 7

Solution

Problem 8

Solution

Problem 9

Solution

Problem 10

Solution

Problem 11

Solution

Problem 12

Solution

Problem 13

Solution

Problem 14

Solution

Problem 15

Solution

Problem 16

Solution

Problem 17

Solution

Problem 18

Solution

Problem 19

Solution

Problem 20

Solution

Problem 21

Solution

Problem 22

Solution

Problem 23

Solution

Problem 24

Solution

Problem 25

Solution

See also

AMC 8 AMC 8 Problems and Solutions

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