Question 253626: A commuter train travels a distance of 4 miles in exactly 3 minutes. What is the average speed of the train in miles per hour? Found 3 solutions by checkley77, stanbon, drk:Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! A communter train travels a distance of 4 miles in exactly 3 minutes. What is the average speed of the train in miles per hour?
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[4 mi/3 min][60 min/1 hr] = (4*60)/(3*1) (mi/hr)
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= (4*20) (mi/hr)
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= 120 mph
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Cheers,
Stan H.
You can put this solution on YOUR website! This question requires unit conversions or unit rates. The question is: .
We convert minutes to hours.
60 minutes = 1 hour, so we write
Notice minutes in the denominator and then minutes in the numerator. We can cancel them to get miles / hr as
(
