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A rug maker is using a pattern that is a rectangle with a length of 96 inches and a width of 60 inches. The rug maker wants to increase each dimension by a different amount. Let l and w be the increases in inches and the length and width. Write and simplify an expression for the perimeter of the new pattern.

User Perfume
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Increasing the length by
l we have the new expression for the length as
96+l

Increasing the width by
w, we have the new expression for the width as
60+w

Perimeter of a rectangle is given by adding all the sides, so we have


P = 96 + l+96+l+60+w+60+w

P=192+2l+120+2w

P = 312+2l+2w
User MOHRE
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