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19-09-2016
Mathematics

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A wheel made 308 revolutions at 26 and 1/8 revolutions per minute. How many minutes did it rotate?

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vhv1122 vhv1122

19-09-2016

Lets look at this as a proportion: (26 1/8 rev/1 min) = (308 rev/ x min) The x represents the amount of minutes. Cross multiply: 308 = (26 1/8)x x = (308/26 1/8) min x = 1001 min

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