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How far could she run in 15 minutes? She could run 3 miles in 15 minutes. How fast is she running in miles per hour?

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Answer:

12 mph

Explanation:

3x4 is 12 and 15x4 is 60=1 hr

If she is running 3 miles in 15 minutes, there are 4 pairs of 15 minutes in an hour, so times 3 by 4, which is: 12 MILES PER HOUR.
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