The answer is 69 pounds of baby liver
L * W = 192
3W * W = 192
3W^2 = 192
W^2 = 64
W = 8 cm
And the length = 3(8) = 24 cm
So.....the perimeter = 2 [ L + W] = 2 [ 24 + 8] = 2 [32] = 64 cm