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30 votes
30 votes
Water weighs 62.4 pounds per cubic foot. How much does the water in a tank that measures 7 ft × 4 ft × 9 in, weigh? A. 1,316 lbsB. 1,310 lbsC. 1,574 lbsD. 1,573 lbs

User Giacatho
by
3.2k points

1 Answer

14 votes
14 votes

9in\cdot(1ft)/(12in)=0.75ft
Vt=0.75ft\cdot7ft\cdot4ft
Vt=21ft^3
Ww=21ft^3\cdot62.4pounds
Ww=1310.4\text{ lbs}\cong1310\text{ lbs}

User Iwtu
by
2.7k points
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