Problem:
Ryan got of the problems correct on a -problem test, on a -problem test, and on a -problem test. What percent of all the problems did Ryan answer correctly?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The three tests contain a total of problems. Ryan received of of , and of . Ryan correctly answered problems, for a total of problems. The percent of problems Ryan answered correctly was:
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions