Physics, 07.09.2019 02:10, hamaama

Jason drives uphill from home to school, averaging 20 miles per hour. on the way back, he drives back downhill from school to home at 60 miles an hour. what was the average speed in miles per hour for his round trip?

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Jason drives uphill from home to school, averaging 20 miles per hour. on the way back, he drives bac...