1. Mr. Nelson  cleaned 67 of the 69 cars. How many are still to be cleaned?   2. A truck drove under a bridge 6 m high. There was a gap of 3 m between the top of the truck and the bridge. How many meters was the truck in height?   3. A milk van started with 84 bottles of milk. It delivered 79 bottles. How many bottles are still to be delivered?   4. Mark  has to repair 47 buses. He has repaired 8. How many more does he have to repair?   5. Mrs. Young has 9 gallons of fuel in her car. Her fuel tank has a capacity of 18 gallons. How many gallons are needed to fill the fuel tank?