Problem:
The area of a pizza with radius inches is percent larger than the area of a pizza with radius 3 inches. What is the integer closest to
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The area of the larger pizza is , while the area of the smaller pizza is . Therefore, the larger pizza is bigger than the smaller pizza. , which is closest to .
The problems on this page are the property of the MAA's American Mathematics Competitions