find volume of tank in cubic feet.
11 x 18 x 12 = ? cubic feet.
Then (62.4 lbs/ft^3) x ? cubic feet = weight water in lbs.
A fishtank measures 11 ft X 18 ft X 12 ft in English dimensional units. If water weights 62.4 lbs/ft3, what is the weight in lbs of the water filling the tank?
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