5. A fence is to be built to enclose a rectangular area of 900 square meters. Two of the sides are partially bordered by a wall. See below. The side with wall 1 is bordered by a road and needs stronger material that costs $25 per meter. The other three sides can be built using material that costs $12 per meter. The walls do not need fencing. Find the dimensions of the rectangle that will allow for the most economical fence to be built. Round answers to the nearest tenth. Wan 1 Wall 2 13m 10m y X