Problem:
Suppose is of . What percent of is
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Since , that means . We multiply by 3 to get a term, yielding , and is (D) of .
OR
Without loss of generality, let . Then, we have and . Thus, , so is of . Hence the answer is (D) .
The problems on this page are the property of the MAA's American Mathematics Competitions