1. Mr. Gatescleaned 13 of the 30 buses. How many are still to be cleaned?   2. It is possible to accommodate 104 cars in a parking lot. If 61 cars are already parked, how many more cars can fit?   3. A milk van started with 574 bottles of milk. It delivered 66 bottles. How many bottles are still to be delivered?   4. Herbert has to repair 34 cabs. He has repaired 20. How many more does he have to repair?   5. There are 233 passengers in a train. If65 people get off at the station, how many passengers are still there in the train?