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Mathematics 9 Online
OpenStudy (anonymous):

Tom runs a marathon (26.2 miles) in 4 hours and 12 minutes. How many miles per hour does he run?

OpenStudy (anonymous):

Speed = Distance / Time Distance = 26.2 miles We need the time in hours. 12 minutes is 1/5th of an hour or 0.2 hours since 60/12 = 5. So time = 4.2 hours. Speed = 26.2 miles / 4.2 hours = (whatever your calculator spits out) miles per hour

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