A sweatshirt printing business spends $200 on equipment and supplies for each new batch of sweatshirts. In addition to these one time chrages, the cost of printing each sweatshirt is $4.50. The average cost per sweatshirt when X sweatshirts are printed is modeled by the formula A= 4.50x+200/x. Determine how many sweatshirts the company must print to have an average cost per sweatshirt of $4.52.