3. you are buying potato chips at the grocery store. you have a manufacturer’s coupon for $0.50 off and the store is offering 50% off if you buy 2 bags. how do you compute your final cost?
subtract $0.50 off of each bag and then divide by 2.
divide each bag by 2, subtract $0.50 off of each bag, and then add them together.
add the two bags together, divide by 2, and then subtract $0.50.
subtract $0.50 from the first bag, add them together, and then divide by 2.