Posted by **kitOy** on Sunday, February 19, 2012 at 9:08pm.

An inverted square pyramid has a height equal to 8m and a top edge to 3m. Initially, it contains water to the depth of 5m.

a. What is the initial volume of the water in the tank?

b. If the additional water is to be pumped into the tank at the rate of 20 gallons per minute, how many hours will it take to fill the tank?

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