Asked by Allie

An aquarium weights 22.5 lb when empty. the aquarium is 30 in. long 14in. Wide, and is filled with water to a depth of 18 in. Water weights 0.036 pound per cubic inch. How much does the aquarium weigh when it is full with water?
Answered by oobleck
weight = volume * density, so
22.5 + (30*14*18)*0.036 = ____ lbs
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