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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