Hannah H.

asked • 03/31/16

How much water was used in a three month period?

A water reservoir is shaped like a rectangular solid with a base that is 30 yards by 30?yards, and a vertical height of 30 yards. At the start of a? three-month period of no? rain, the reservoir was completely full. At the end of this? period, the height of the water was down to 8 yards. How much water was used in the? three-month period?
How much water was used in the? three-month period?

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Bill P. answered • 04/01/16

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That is 19,800 cubic yards of water. If you wanted to know how many gallons is the equivalent, you would need to multiply by the number of gallons in a cubic yard. I do not know what this is, but I believe you could "google" this and discover the answer if you are curious.
 
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Bill P.

I did "google" how many gallons in a cubic foot. It replied with 7.48 Since there are 27 cubic feet in one cubic yard (3*3*3), there are 201.96 gallons in a cubic yard. Using 202 as a round number, I compute 3,999,600 or nearly 4 million gallons of water for 19,800 cubic yards of water.
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04/01/16

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