# Math

4 in/sec = ? ft/h

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1. 1 ft = 12 in

4 in = 4 / 12 = 4 / ( 4 * 3 ) = 1 / 3 ft

1 h = 3600 s

4 in/sec = ( 1 / 3 ) * 3600 = 3600 / 3 = 3 * 1200 / 3 = 1200 ft / h

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posted by Bosnian

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