It takes Heidi 10 minutes to get to school going at a speed of 27 miles/hour. How long will it take her to get to school if she goes 40 miles/hour?
The distance to the school is: 27 miles/hour * (10/60) hours = 27(1/6) = 4.5 miles. The time it will take her to get to school if she goes 40 miles/hours is: t = d/v = 4.5 miles/40 miles/hour = 0.1125 hour = 6.75 minutes.
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yeswey|Points 13646|
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Asked 6/14/2014 9:13:18 AM
Updated 6/15/2014 12:37:45 PM
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