3) Tex’s Sports is having a sale for $50 off a purchase of $100 or more. If Kate buys an item that is more than $130, how much does she pay for the item?  Let y = x - 50 be the amount Kate pays for the item that is originally priced x dollars. a.) For an item that originally costs $130, Kate will pay $30. b.) For an item that originally costs $130, Kate will pay $80. c.) For an item that originally costs $130, Kate will pay $50. d.) For an item that originally costs $130, Kate will pay $120.