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12-09-2017
Mathematics

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The record for the Boston Marathon's wheelchair division is 1 hour, 18 minutes, and 27 secondsThe Boston Marathon is 26.2 miles long. What was the average speed of the record winner of the wheelchair division? Round to the nearest hundredth.

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wolf1728 wolf1728

12-09-2017

18 minutes 27 seconds = 1,107 seconds
1,107 / 3,600 = .3075 hours

26.2 / 1.3075 = 20.0382409178 miles per hour =
20.04 miles per hour

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