If the water in a hot tub that was 8 ft long, 52 in wide, and 42 in deep is 7862.4 lb, what does the water weigh per cubic foot?

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If the water in a hot tub that was 8 ft long, 52 in wide, and 42 in deep is 7862.4 lb, what does the water weigh per cubic foot?

Guest Mar 3, 2016

Guest · Answer 1 · 2016-03-03T12:53:45

Do 72 inches (8ft) x 52 x 42 and do that divided by 12, and do 7862.4 divided by the new number.

CPhill · Answer 2 · 2016-03-03T12:56:08

Convert the inches to feet

52 in = 52/12 ft = 13/3 ft

42 in = 42/12 ft = 7/2 ft

So

[7862.4] / [ 8 (13/3) (7/2) ] = 64.8 lbs/ ft^3