Question

It is 2 1/2 miles to the end of the trail. If Paula runs to the end and back in 60 minuets, what is her average speed in miles per hour?

Answer 1

Paula will have run 2 1/2 + 2 1/2 = 5 miles in that hour, so her average speed is ...

... 5 miles per hour

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60 minutes is 1 hour.