# Maths

A rectangular swimming pool measures 15m by 10m.how wide must a concrete walk around the pool be if the walk is to have a perimeter of 66m.

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1. if the width is w, then since there is a walk on both sides and both ends, the new dimensions are 15+2w and 10+2w. So, you need to find w such that

2(15+2w + 10+2w) = 66

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2. I don't understand the question

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3. 2m

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5. Thank you Steve.

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