Saturday, May 2, 2009

Problem 12 - GMAT Speed

Yolanda walks from her home to school at 4 miles per hour; she then rides her bike back home by the same route at c miles per hour. What is Yolanda’s average speed for the round trip?

1) The distance from Yolanda’s home to her school is 6 miles.

2) c = 10

1 comment: