rebeccarhamblin rebeccarhamblin

15-06-2020
Mathematics

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The length of a rectangle is three times its width.
If the area of the rectangle is 75 yd?, find its perimeter.

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jasonchen2101 jasonchen2101

15-06-2020

Length times width equals area of a rectangle

Length=3x

Width=x

(3x)(x)=75

3x squared=75

x=5

Length=3(5)

Length=15

Width=5

Perimeter=2(length plus width)

Perimeter=2(15+5)

=2(20)

=40

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