Respuesta :

Answer:

length = l = 8.25

width = w = 2.75

Step-by-step explanation:

let

width of rectangle = w

Length of rectangle = l = 3*w

perimeter = 22

P=2(l + w)

22 = 2(w + 3*w)

22 = 8*w

l = 22/8

width = w = 2.75

l = 3*w = 3*2.75 = 8.25

length = l = 8.25

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