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On a 20-mile bike ride, you ride the first 10 miles at an average speed of 7mi/h a)What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 5m/h? b)What must your average speed over the next 10 miles be to have your average speed for the total 20 miles be 13m/h? c)Given this average speed for the first 10 miles, can you possibly attain an average speed of 14for the total 20-mile ride?

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