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OpenStudy (anonymous):
A swimming pool has to be drained for maintenance. The pool is shaped like a cylinder with a diameter of 18m and a depth of 2m. If the water is pumped out of the pool at the rate of 11m^3 per hour, how many hours does it take to empty the pool?
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OpenStudy (lucaz):
first find the volume of the pool
OpenStudy (anonymous):
@Lucaz I got 157
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