SOLUTION: Jonathan drove to the airport to pick up his friend. A rainstorm
forced him to drive at an average speed of 45 mph, reaching the
airport in 3 hours. He drove back home at an ave
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Question 883303: Jonathan drove to the airport to pick up his friend. A rainstorm
forced him to drive at an average speed of 45 mph, reaching the
airport in 3 hours. He drove back home at an average speed of
55 mph. How long, to the nearest tenth of an hour, did the trip home
take him?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
Jonathan drove to the airport to pick up his friend. A rainstorm
forced him to drive at an average speed of 45 mph, reaching the
airport in 3 hours. He drove back home at an average speed of
55 mph. How long, to the nearest tenth of an hour, did the trip home
take him?
-------------
Use d = r*t for the trip there to find the distance.
----
Then, t = d/r to find the time to return.
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