SOLUTION: a girl rides her bike up a hill at 10 miles per hour. She then rides her bike down the hill at 30 miles per hour. What is her average speed for the round trip?
Algebra ->
Customizable Word Problem Solvers
-> Travel
-> SOLUTION: a girl rides her bike up a hill at 10 miles per hour. She then rides her bike down the hill at 30 miles per hour. What is her average speed for the round trip?
Log On
Question 460813: a girl rides her bike up a hill at 10 miles per hour. She then rides her bike down the hill at 30 miles per hour. What is her average speed for the round trip? Answer by robertb(5830) (Show Source):
