25-09-2018
Mathematics

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Mark bikes 4/10 of a mile in 1/5 of an hour. Find marks average speed in miles per hour.

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27-09-2018

He bikes 4/10 of a mile in 1/5 of an hour

That is 4/10 miles in 1/5 hours

Average speed = Distance/ time = 4/10 ÷ 1/5 = 4/10 × 5/1 = 2 miles/hour

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