Problem:
Chandra pays an on-line service provider a fixed monthly fee plus an hourly charge for connect time. Her December bill was , but in January her bill was because she used twice as much connect time as in December. What is the fixed monthly fee?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Since Chandra paid extra in January, her December connect time must have cost her . Therefore, her monthly fee is .
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions