¶ 2008 AMC8 Problem 5
Problem:
Barney Schwinn notices that the odometer on his bicycle reads , a palindrome, because it reads the same forward and backward. After riding more hours that day and the next, he notices that the odometer shows another palindrome, . What was his average speed in miles per hour?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
Barney rides miles in hours, so his average speed is miles per hour.
Answer: .
The problems on this page are the property of the MAA's American Mathematics Competitions