20 mins = 2/15 miles
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Find 1 min :
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1 min = 2/15 รท 20
1 min = 2/15 x 1/20
1 min = 1/150 miles
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Find 60 min :
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60 mins = 1/150 x 60
60 mins = 2/5 miles
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Answer: 2/5 miles can be paved in 1 hour.
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