Problem:
Randy drove the first third of his trip on a gravel road, the next 20 miles on pavement, and the remaining one-fifth on a dirt road. In miles, how long was Randy's trip?
Answer Choices:
A.
B.
C.
D.
E.
Solution:
The fraction of Randy's trip driven on pavement was . Therefore the entire trip was miles.
The problems on this page are the property of the MAA's American Mathematics Competitions