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?

$\mathrm{(A)}\ \frac{12}{5} \qquad \mathrm{(B)}\ \frac{10}{3} \qquad \mathrm{(C)}\ 9 \qquad \mathrm{(D)}\ 38 \qquad \mathrm{(E)}\ 42$

Solution

$\longrightarrow \fbox{C}$

See also

2009 AMC 10A (ProblemsAnswer KeyResources)
Preceded by
Problem 6
Followed by
Problem 8
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All AMC 10 Problems and Solutions