brookieseanie brookieseanie

14-11-2020
Mathematics

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The length of a rectangle 2 less than 2 times the width. The perimeter is 116ft. Find
the length and width.

Respuesta :

lindsayextra2 lindsayextra2

14-11-2020

Answer: w = 20 l = 38

Step-by-step explanation:

l = 2w - 2 (based on given info)

p = 2l + 2w (formula for perimeter)

p = 116 (given)

116 = 2l + 2w

116 = 2(2w-2) + 2w (substitute in l)

116 =‘ 4w-4 + 2w

116 = 6w-4

w=20

l=2(20) - 2 = 38

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