Farmer Jones has 480 feet of fence. She wishes to construct a rectangular pen divided into five separate pens, with one of the pens twice as large as each of the other four (see figure). She must use part of her 480 feet of fencing material to make the partitions. What should the dimensions of the combined pens be to maximize the area enclosed?

Question

The horizontal dimension should be _______ feet.

The vertical dimension should be ______ feet.

The resulting total area is square _______ feet.

Answer 1

h=60
L=30