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Mathematics 19 Online
OpenStudy (anonymous):

The number of revolutions of two pulleys is inversely proportional to their diameters. If a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley. 133 1/3 800 1,200

OpenStudy (anonymous):

1,200

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