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16-09-2016
Mathematics

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Jonathan can jog 3 2/5 miles in 7/8 hour. find his average speed in miles

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TheSMan TheSMan

16-09-2016

average speed = dist/time
v = (17/5) ÷ (7/8)
v = (17/5) x (8/7)
v = (17 x 8) ÷ (5 x 7)
v = 136 ÷ 35
v= 3 + (31/35)
v = 3 31/35

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