2009 AMC 10A Problems/Problem 7

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Problem

A carton contains milk that is $2$% fat, an amount that is $40$% less fat than the amount contained in a carton of whole milk. What is the percentage of fat in whole milk?

$\mathrm{(A)}\ \frac{12}{5} \qquad \mathrm{(B)}\ 3 \qquad \mathrm{(C)} \frac{10}{3} \qquad \mathrm{(D)} 38 \qquad \mathrm{(E)} 42 \qquad$


Solution

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