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Anonymous
240.
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2(10x6) 4(5x3)
20 x 12 = 240
1 cubic foot of water weighs 62.42 lbs. so 20x12=240x240=57600 sq inx1= 57600 cu in . 1 cubic foot =1728 cu in. 57600/1728=33.333 33.333x62.42=2080.45 lbs