Question 1183722
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The rounded time is  1 hour and 15 minutes, or 1 and 1/4 of an hour, which is the same as {{{5/4}}} of an hour.



Using the rounded time, the average speed is  {{{70/((5/4))}}} = {{{(70*4)/5}}} = 14*4 = 56 kilometers per hour = 56 km/h.    <U>ANSWER</U>
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Solved, answered and explained.