MathDB
AMC 8 2005: For the resources section

Source:

May 23, 2010

Problem Statement

Connie multiplies a number by 2 and gets 60 as her answer. However, she should have divided the number by 2 to get the correct answer. What is the correct answer?
<spanclass=latexbold>(A)</span> 7.5<spanclass=latexbold>(B)</span> 15<spanclass=latexbold>(C)</span> 30<spanclass=latexbold>(D)</span> 120<spanclass=latexbold>(E)</span> 240<span class='latex-bold'>(A)</span>\ 7.5 \qquad <span class='latex-bold'>(B)</span>\ 15 \qquad <span class='latex-bold'>(C)</span>\ 30 \qquad <span class='latex-bold'>(D)</span>\ 120 \qquad <span class='latex-bold'>(E)</span>\ 240