Question

Stephanie ran 2.25 miles in 12 minutes what was her average speed in miles per hour

Answer 1

Making a proportion helps,


`(2.25 \: mi)/(12 \: min) = (x)/(60 \: min)`


`(2.25)/(12) * (5)/(5) = (11.25)/(60)`

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Answer : Stephanie can run 11.25 miles in an hour.

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I hope that helps you out!!

Any more questions, please feel free to ask me and I will gladly help you out!!

~Zoey