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8 August, 00:22

A club swimming pool is 21 ft wide and 33 ft long. the club members want an exposed aggregate border in a strip of uniform width around the pool. they have enough material for 232 ft squared. how wide can the strip be?

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  1. 8 August, 00:28
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    First compute the perimeter of the pool:

    (21+33) * 2=108 foot.

    Since the material cover 232 ft^2, then it is sufficient to divide the above number over the length of the border like this:

    232/108=2.1

    The trip can be 2.1 ft in wide.
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