Chase and Sara went to the candy store. Chase bought 8 pieces of fudge and 5 pieces of bubble gurn for a total of $5.25. Sara bought 3 pieces of fudge and 7 pieces of bubble gum and paid $2 less than Chase. Which system of equations could be used to
determine the cost of 1 piece of fudge, x, and 1 piece of bubble gum, y?