Respuesta :
P = 2*L + 2*W
L= 54 inches
W = 42 inches
P = 2*54 + 2*42
P = 108 + 84
P = 192 inches. she needs to buy
L= 54 inches
W = 42 inches
P = 2*54 + 2*42
P = 108 + 84
P = 192 inches. she needs to buy