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Problems
Contests
National and Regional Contests
USA Contests
MAA AMC
AMC 8
2008 AMC 8
10
10
Part of
2008 AMC 8
Problems
(1)
AMC 8 2008 Problem 10
Source:
11/28/2010
The average age of the
6
6
6
people in Room A is
40
40
40
. The average age of the
4
4
4
people in Room B is
25
25
25
. If the two groups are combined, what is the average age of all the people?
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32.5
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33
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33.5
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34
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<span class='latex-bold'>(A)</span>\ 32.5 \qquad <span class='latex-bold'>(B)</span>\ 33 \qquad <span class='latex-bold'>(C)</span>\ 33.5 \qquad <span class='latex-bold'>(D)</span>\ 34\qquad <span class='latex-bold'>(E)</span>\ 35
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32.5
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33
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33.5
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35