A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of the sidewalk is 155 ft2, what is its width?

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asked Mar 12, 2019 64.1k views

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A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of the sidewalk is 155 ft2, what is its width?

Mathematics
high-school

IYonatan asked

by IYonatan

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2 Answers

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the answer is 2.5 feet .

Robert Pollak answered Mar 13, 2019

by Robert Pollak

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7 votes

The width of sidewalk is 2.5 ft.

The solving method as attached image

A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement-example-1

Avinash Reddy answered Mar 17, 2019

by Avinash Reddy

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