1. Mr. Browncleaned 19 of the 44 buses. How many are still to be cleaned?   2. It is possible to accommodate 138 cars in a parking lot. If 48 cars are already parked, how many more cars can fit?   3. A milk van started with 697 bottles of milk. It delivered 69 bottles. How many bottles are still to be delivered?   4. Adam has to repair 39 cabs. He has repaired 24. How many more does he have to repair?   5. There are 142 passengers in a train. If33 people get off at the station, how many passengers are still there in the train?