Difference between revisions of "2009 AMC 10A Problems/Problem 7"
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A carton contains milk that is <math>2</math>% fat, an amount that is <math>40</math>% less fat than the amount contained in a carton of whole milk. What is the percentage of fat in whole milk? | A carton contains milk that is <math>2</math>% fat, an amount that is <math>40</math>% less fat than the amount contained in a carton of whole milk. What is the percentage of fat in whole milk? | ||
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\mathrm{(A)}\ \frac{12}{5} | \mathrm{(A)}\ \frac{12}{5} | ||
\qquad | \qquad | ||
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\qquad | \qquad | ||
\mathrm{(E)}\ 42 | \mathrm{(E)}\ 42 | ||
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==Solution== | ==Solution== | ||
Revision as of 13:45, 14 February 2010
Problem
A carton contains milk that is 
% fat, an amount that is 
% 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
Solution
See also
| 2009 AMC 10A (Problems • Answer Key • Resources) | ||
| Preceded by Problem 6 |
Followed by Problem 8 | |
| 1 • 2 • 3 • 4 • 5 • 6 • 7 • 8 • 9 • 10 • 11 • 12 • 13 • 14 • 15 • 16 • 17 • 18 • 19 • 20 • 21 • 22 • 23 • 24 • 25 | ||
| All AMC 10 Problems and Solutions | ||
