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Cloth Makers Inc. has p spindles, each o...

Cloth Makers Inc. has p spindles, each of which can produce q metres of cloth on an average in r minutes. If the spindles are made to run with no interruption, then how many hours will it take for 20,000 metres of cloth to be produced? a. `(20000\ p q)/r` b. `(20000\ r q)/p` c. `(20000\ r)/(p q)` d. `(20000\ r)/(60\ p q)`

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