Problem:
Margie's car can go  miles on a gallon of gas, and gas currently costs  per gallon. How many miles can Margie drive on  worth of gas?

Answer Choices:
A.  
B.  
C.  
D.  
E.  
Solution:
For , Margie can buy gallons of gas. She can drive miles on each gallon, for a total of miles.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions