a rectangular lot whose perimeter is 440 feet is fenced along three sides. an expensive fencing along the lot's length cost $16 per foot, and an inexpensive fencing along the two side widths costs only $11 per foot. The total cost of the fencing along the three sides comes to $4060. What are the lot's dimensions?

Question

a rectangular lot whose perimeter is 440 feet is fenced along three sides.  an expensive fencing along the lot's length cost $16 per foot, and an inexpensive fencing along the two side widths costs only $11 per foot.  The total cost of the fencing along the three sides comes to $4060. What are the lot's dimensions?

Steve · Accepted Answer

if width=x and length=y, 2x+2y = 440 2*11x + 16y = 4060 22x + 16(220-x) = 4060 6x = 540 x = 90 y = 130