Problem:
Harold made a plum pie to take on a picnic. He was able to eat only of the pie, and he left the rest for his friends. A moose came by and ate of what Harold left behind. After that, a porcupine ate of what the moose left behind. How much of the original pie still remained after the porcupine left?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Harold left of the pie for his friends. The moose ate of the pie, leaving of the pie. Finally, the porcupine ate of the pie. This leaves of the pie.
Thus, is the correct answer.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions