1. Mr. Smith  cleaned 64 of the 68 cabs. How many are still to be cleaned?   2. A truck drove under a bridge 8 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 78 bottles of milk. It delivered 73 bottles. How many bottles are still to be delivered?   4. Jimmy  has to repair 69 trucks. He has repaired 8. How many more does he have to repair?   5. Mrs. Brown has 5 gallons of fuel in her car. Her fuel tank has a capacity of 14 gallons. How many gallons are needed to fill the fuel tank?