Molly paid $1,109.20 for a used car. if the price paid includes a 6% discount, which of the following equations can be used to determine the price of the car before the discount? (let x represent the cost of the car and y represent the total cost before the discount.) a. y = 1.06x b. y = x + 6x c. y = 0.94x d. y = 1.6x