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01-03-2017
Mathematics

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It is 4 1/2 miles to the end of the trail. If Sophia bikes to the end and back in 60 minutes, what is her average speed in miles per hour?
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AlexisAPinette AlexisAPinette

01-03-2017

60 minutes for 2 times of 4.5 miles

60 minutes for 9 miles.

9 miles/60 minutes = 9 miles/1 hour

9 mph

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