You have 3648 dollars to build a fence to enclose two pens.

One side is a wall that needs no fence.

The outside fencing (thick blue lines) costs 8 dollars per foot.

The inside fencing (thin red line) costs 3 dollars per foot.

What values for x and y will create a fence that encloses the maximum total area for the pens?

x = feet

y = feet

Enter each answer as a whole number or as

a reduced fraction (such as 4/5, 35/4 or 11/2).