Doug D.

asked • 09/04/18

math homework

A walkway wraps around a 20ft. by 40 ft. pool. The area of the pool-walkway structure is 1500 sq ft. What is the walkways width
 

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Mark M. answered • 09/04/18

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"doughnut" problem. Determine the entire area and subtract the area of the pool (draw a diagram!)
(20 + 2w)(40 + 2w) - (20)(40) = 1500
 
Can you solve for w and answer?
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Rebecca R.

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I may be mistaken, but I took it as the pool-walkway structure is the whole thing. Otherwise, the walkway is twice the size as the pool. Maybe I'm wrong.....
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09/04/18

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