Problem:
Ana's monthly salary was in May. In June she received a raise. In July she received a pay cut. After the two changes in June and July, Ana's monthly salary was
Answer Choices:
A.
B.
C.
D.
E.
Solution:
After the first change, Ana's salary was . After the second change, Ana's salary was .
After the two changes, Ana's salary was of of , or .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions