Answer:
https://www.calculatorsoup.com/calculators/health/pace-calculator.php
Explanation:
52 mins = 52/60 hour = 13/15 hour
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15 = x / ( 13/15 )
x = 15 × ( 13/15 )
x = 13 miles
Thus you travel 13 miles in 52 mins at 15 mile per hour.
