Driving a marmon Wasp race car Ray Harroun Compleaded the fi

Driving a marmon Wasp race car, Ray Harroun Compleaded the first 500 miles of the Indy 500 in 1911 in 6.7 houurs.
question. Find harrouns rate in hours per mile.

Solution

The unit of measurement tell you how to solve this problem: miles/hr means divide the miles factor by the hours factor.
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500 miles / 6.7 hours
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500/6.7 = 74.63
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Harroun\'s average rate of speed was 74.63 miles per hour.