Hillary and Sarah went shopping over the weekend to purchase new shirts. The equation below represents the total amount of money Hillary spent on x shirts. y = $16x The graph below represents the total amount of money Sarah spent on x shirts. Who paid the cheaper price per shirt? A. There is not enough information to determine the price per shirt. B. Sarah paid the cheaper price per shirt. C. Hillary paid the cheaper price per shirt. D. Sarah and Hillary paid the same price per shirt.