Asked by Veany
The track at Bronwyn's school is 1/4 mile around.If she can do 3 laps in 4 1/2 minutes,how fast is she running in miles per hour
Answers
Answered by
Reiny
rate = distance/time
= 3(.25)miles / 4.5 min
but 4.5 min = 4.5/60 hrs = .0075 hrs
= .75/.0075 mph
= 10 mph
= 3(.25)miles / 4.5 min
but 4.5 min = 4.5/60 hrs = .0075 hrs
= .75/.0075 mph
= 10 mph
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