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MAA AMC
AMC 8
2013 AMC 8
16
16
Part of
2013 AMC 8
Problems
(1)
2013/8/16/Community service projects
Source:
11/27/2013
A number of students from Fibonacci Middle School are taking part in a community service project. The ratio of
8
th
8^\text{th}
8
th
-graders to
6
th
6^\text{th}
6
th
-graders is
5
:
3
5:3
5
:
3
, and the the ratio of
8
th
8^\text{th}
8
th
-graders to
7
th
7^\text{th}
7
th
-graders is
8
:
5
8:5
8
:
5
. What is the smallest number of students that could be participating in the project?
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55
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79
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<span class='latex-bold'>(A)</span>\ 16 \qquad <span class='latex-bold'>(B)</span>\ 40 \qquad <span class='latex-bold'>(C)</span>\ 55 \qquad <span class='latex-bold'>(D)</span>\ 79 \qquad <span class='latex-bold'>(E)</span>\ 89
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40
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55
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79
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89
ratio
AMC