lizzylv6766 lizzylv6766

06-11-2017
Mathematics

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The length of a rectangle is 3 yards longer than its width. if the perimeter of the rectangle is 42 yards, find its area

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kritter1 kritter1

06-11-2017

Let width be x

Length= x+3

P=2(x+l)
42=2(x+(x+3))
42/2=2x+3
21=2x+3
21-3=2x
18=2x
18/2=x
9=x

Area=(x)(x+3)
A=(9)(9+3)
A=108 yards²

Hope I helped :)

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