Respuesta :

Answer:

L=62", W=11"

Step-by-step explanation:

P = 2L+2W

146 = 2(W+51)+2W

146 =4 W+102

44 = 4W

11 = W

The width is 11 inches. The length is then

L = W+51

L = 11+51

L = 62 inches

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