SOLUTION: Distance and Time. A bicyclist rides uphill at 10 miles per hour for 5 miles and then rides downhill at 20 miles per hour for 5 miles. What is the bicyclist’s average speed? (Hi

Algebra ->  Customizable Word Problem Solvers  -> Travel -> SOLUTION: Distance and Time. A bicyclist rides uphill at 10 miles per hour for 5 miles and then rides downhill at 20 miles per hour for 5 miles. What is the bicyclist’s average speed? (Hi      Log On

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Question 454491: Distance and Time. A bicyclist rides uphill at 10
miles per hour for 5 miles and then rides downhill at
20 miles per hour for 5 miles. What is the bicyclist’s
average speed? (Hint: Average speed equals distance
divided by time.)

Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
5 miles @ 10 mph=1/2 hr.
5 miles @ 20 mph=1/4 hr.
10 miles/3/4 hr= 13.333 mph..