A box stall is a square or rectangular enclosure that can house one or more animals. Derek wants to construct a square box stall for each horse that is to be housed in a stable. He wants all of the box stalls to have the same legth on a side. Derek has a total area of 20,250 square feet in which to construct the box stalls. The equation for the side length x of a box stall in terms of the number of horses n, the stable wants to house is x =/. If the box stall is 9 feet long on a side. The stables can house how many horses