Isaac has a $1-off coupon for a box of cereal priced $3.00. It is double coupon day at the grocery store. Isaac gets double the value of his coupon. Which expression shows how much Isaac will pay for the box of cereal? A. (3 – 2) × 1 B. 3 – (2 × 1) C. (3 – 1) × 2 D. 3 – (2 + 1)