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| Math Central | Quandaries & Queries |
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Question from Russ: I would like to know how much fill material I would need to fill an old swimming pool. The pool is 18' wide x 36' long and is 4' to 10' deep. |
Hi Russ,
I answered a similar question from Kyla a while ago. Her measurements were in metres but the shape of the pool is similar. Using the same technique as I used for her pool the volume of your pool is
(10 + 4)/2 × 36 × 18 = 4536 cubic feet.
I expect that you order fill material by the cubic yard and there are 27 cubic feet in a cubic yard so the volume of fill you need is
4536/27 = 168 cubic yards.
I hope this helps,
Penny
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