Help please will fan

A farmer has 25 yards of fencing to make a pig pen. He is going to use the side of the barn as one of the sides of the fence, so he only needs to fence 3 sides. What should be the dimensions of the fence in order to maximize the area?

Question

Help please will fan

A farmer has 25 yards of fencing to make a pig pen. He is going to use the side of the barn as one of the sides of the fence, so he only needs to fence 3 sides. What should be the dimensions of the fence in order to maximize the area?

thefurball · Answer

Here's a pretty good explanation of the problem. It uses 900 instead of 25 though, and a river instead of pig pen http://www.math-prof.com/Alg2/Alg2_Ch_05.asp

anonymous · Answer

@thefurball I still did'nt undedrstand it.