SOLUTION: A boy riding a bicycle travels at ten miles per hour for three hours. He stops to rest for one hour and then continues his ride. For the next hour he rides at a speed of twenty mil

Question 513272: A boy riding a bicycle travels at ten miles per hour for three hours. He stops to rest for one hour and then continues his ride. For the next hour he rides at a speed of twenty miles per hour. During this ride, what was the rider's average speed for the five hour period?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Average speed is ( total distance ) / ( total time )
During the 1st 3 hrs:

mi
During the last hour:

mi
Average speed =

10 mi/hr
RELATED QUESTIONS
a car has to travel 4800 miles the car travels at 60 miles per hour for 20 hours then... (answered by Alan3354)

Can you please help? A man walks at a pace of 3 miles per hour. After 2 hours he stops (answered by scott8148)

A man walks at a pace of 3 miles per hour. After 2 hours he stops for a rest let t be... (answered by stanbon)

A man walks at the pace of 3 miles per hour. After 2 hours he stops for a rest. Let t be... (answered by KnightOwlTutor)

A man walks at a pace of 3 miles per hour. After 2 hours he stops for a rest. Let Y be... (answered by scott8148)

A man walks at a pace of 3 miles per hour. After 2 hours he stops for a rest. Let t be... (answered by ptaylor)

A man walks at a pace of 3 miles per hour. After 2 hours he stops for a rest. Let t be... (answered by solver91311)

A man walks at a pace of 3 miles per hour. After 2 hours he stops for a rest. Let t be... (answered by ptaylor)

Bret started on a 80-mile bicycle ride at 19 miles per hour. After a time he became a... (answered by checkley77)