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Mathematics

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Joe drove 538 miles 9 hours 15 minutes. What was his average speed per hour

Joe drove 538 miles 9 hours 15 minutes. What was his average speed per hour class=

Answer :

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distance=speed times time
distance/time=speed

distance=538
time=9 and 15mins
60mins=1hr
15/60=1/4=0.25

time=9.25hr

distance/time=538/9.25=58.162mph
about 58mph

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