1. Mr. Gates  cleaned 22 of the 24 cabs. How many are still to be cleaned?   2. A truck drove under a bridge 6 m high. There was a gap of 1 m between the top of the truck and the bridge. How many meters was the truck in height?   3. A milk van started with 18 bottles of milk. It delivered 11 bottles. How many bottles are still to be delivered?   4. Andy  has to repair 23 buses. He has repaired 7. How many more does he have to repair?   5. Mrs. Hurt has 5 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?