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12-07-2017
Mathematics

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a rectangular pool has a tile border around its perimeter that measures 66 feet. If the length of the pool is 18 feet, what is the width of the pool?

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onrebrof onrebrof

12-07-2017

Perimeter = side1 + side2 + side3 + side4
Retangular means side1=side3 and side2=side4 so

66 = 2*side1 +2*side2

Side 1 = 18 feet so

66= 2*18 +2*side2

66= 36 +2*side2

33=18+side2

33-18=side2

15 = side2

The pool is 15 feet wide. Checking 15+15+18+18=66

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