trinidyabraham trinidyabraham

25-01-2016
Mathematics

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Johnathan can jog 3 2/5 miles in 7/8 hour. Found his average speed in miles per hour

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crisforp crisforp

25-01-2016

3 2/5 = 17 / 5 ;
(17/5) ÷ (7/8) = (17/5) × (8/7) = 136/35 = 3.88 miles per hour ;

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Billymkhoi Billymkhoi

25-01-2016

(3 2/5 miles)/ (7/8 hour)= 3 31/35 miles/hour.

His average speed is 3 31/35 miles/hour~

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