1. Mr. Moore  cleaned 79 of the 88 buses. How many are still to be cleaned?   2. A truck drove under a bridge 7 m high. There was a gap of 2 m between the top of the truck and the bridge. How many meters was the truck in height?   3. A milk van started with 47 bottles of milk. It delivered 41 bottles. How many bottles are still to be delivered?   4. Michael  has to repair 24 cars. He has repaired 7. How many more does he have to repair?   5. Mrs. Hick has 8 gallons of fuel in her car. Her fuel tank has a capacity of 12 gallons. How many gallons are needed to fill the fuel tank?