Posted by Mark on Tuesday, July 26, 2011 at 11:37am.
A swimming pool is 120' long,45' wide and 10' deep.How long would it take to fill with water if your maximum fill rate was 15 gallons per minute?

construction  Ms. Sue, Tuesday, July 26, 2011 at 11:57am
120 * 45 * 10 = 54,000 cubic feet
1 Cubic Foot = 7.48051948 Gallons
54 000 * 7.4805 = 403,947 gallons
Divide by 15.

construction  Gregory, Tuesday, July 26, 2011 at 1:39pm
well you are trying to fill inside of a rectangle with water so unless you already tried this I would find the volume of the pool(120x45x10)which gives us 54000.
Then you would divide the volume of the pool by the rate at which it is filled so 54000/15(gal. per min.)= 3600.
Then you would divide 3600 min. by 60 min.(60 min.= 1hr) to find out how long it would take to fill the pool. 3600/60= 60.
So it would take roughly either 3600 min. or 60 hrs to fill the pool at 15gal. per min.
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