SOLUTION: A water reservoir is shaped like a rectangular solid with a base that is 70 yards by 20 yards, and a vertical height of 30 yards. At the start of a three month period of no rain, t

Question 1162788: A water reservoir is shaped like a rectangular solid with a base that is 70 yards by 20 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 4 yards. How much water was used in the three month period?
Found 2 solutions by ikleyn, Alan3354:
Answer by ikleyn(52803) (Show Source): You can put this solution on YOUR website!

Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
A water reservoir is shaped like a rectangular solid with a base that is 70 yards by 20 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 4 yards. How much water was used in the three month period?
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"... down to 4 yds ..." means a loss from 30 yds in height, = 26 yards.
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Used = 70*20*26 cubic yards
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Cubic yards of water?
Acre-feet of water?
Units other than metric are silly.

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