math problem #3
问题描述：
math problem #3
a farmer has 600 ft of fence and wants to section off 3 equal rectangular pens for his pigs.the pen closet to the barn will only need to be fenced on 3 sides since it will connect to the barn.find the dimensions of the total pig pen that maximizes the area
答
if the farmer wants 3 equal rectangular pens,then each pen would be made by 200 ft of fence.suppose that the length connect to the barn is x ft,then the other sides of the rectangle have the identical...