Respuesta :

Answer:

Below : )

Step-by-step explanation:

We need to start by making an equation for the perimeter

P=2L+2W     and  L = 3W-4

120 = 2(3W-4)+2W  now simplify

120 = 6W+2W-8

128=8W  

W=16  

L=3(16)-4

L=44

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