MathDB
2010 AMC 8 #13

Source:

May 21, 2011
geometryperimeter

Problem Statement

The lengths of the sides of a triangle in inches are three consecutive integers. The length of the shorter side is 30%30\% of the perimeter. What is the length of the longest side?
<spanclass=latexbold>(A)</span> 7<spanclass=latexbold>(B)</span> 8<spanclass=latexbold>(C)</span> 9<spanclass=latexbold>(D)</span> 10<spanclass=latexbold>(E)</span> 11 <span class='latex-bold'>(A)</span>\ 7 \qquad<span class='latex-bold'>(B)</span>\ 8\qquad<span class='latex-bold'>(C)</span>\ 9\qquad<span class='latex-bold'>(D)</span>\ 10\qquad<span class='latex-bold'>(E)</span>\ 11