Difference between revisions of "2007 AMC 12A Problems/Problem 3"

Revision as of 20:30, 3 July 2013

The larger of two consecutive odd integers is three times the smaller. What is their sum?

$\displaystyle \mathrm{(A)}\ 4\qquad \mathrm{(B)}\ 8\qquad \mathrm{(C)}\ 12\qquad \mathrm{(D)}\ 16\qquad \mathrm{(E)}\ 20$

Solution 1 Let $n$ be the smaller term. Then $n+2=3n \Longrightarrow 2n = 2 \Longrightarrow n=1$

Solution 2

2007 AMC 12A (Problems • Answer Key • Resources)
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All AMC 12 Problems and Solutions

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