1. Mr. Martin  cleaned 70 of the 73 trucks. How many are still to be cleaned?   2. A truck drove under a bridge 5 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 37 bottles of milk. It delivered 28 bottles. How many bottles are still to be delivered?   4. John  has to repair 16 cars. He has repaired 3. How many more does he have to repair?   5. Mrs. Hick has 7 gallons of fuel in her car. Her fuel tank has a capacity of 13 gallons. How many gallons are needed to fill the fuel tank?