Question 595982
2L + 2W = 320 ___ L + W = 160 ___ 4L + 4W = 640


20L + 8W + 8W = 2140 ___ 5L + 4W = 535


subtracting the equations to eliminate W, leaves a negative value for L


it appears that the total fencing cost is awry


assuming a square lot (max area with min perimeter) ___ 80(20) + 80(8) + 80(8) = 2880