!!.$&/&/(]]%>

1. A farmer wants to fence in an area against his barn. No fencing is needed against the barn, but he wants an extra line of fencing to divide the area into two spaces (as shown in the diagram). The fencing on the outside of the area costs $20 per foot and the fencing on the inside coasts $10 per foot. If the farmer has a budget of $3000, what is the largest area he can enclose? BARN. NO FENGING THIS SIDE 2. A box with a square base must have a volume of 40 cm . Find the dimensions that will have the smallest surface area