Deniseeceee Deniseeceee

07-03-2017
Mathematics

contestada

the length of a rectangle is equal to three times its width. if the perimeter is equal to 240, what is the length of the rectangle?

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Kalliyah2003 Kalliyah2003

07-03-2017

L x W= 240
L x (3w)= 240
P= 2L + 2W=2(3w) + 2w= 8w
240/8= 30
l= 3w= 3 x 30= 90
2(30) + 2(90)
60 + 180 = 240
L= 60

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