 
 <prompt> ```Carla need dry-clean 80 pieces of laundry by noon. If she start work for 8 AM, how many pieces of laundry she need clean per hour?``` <response>: ```First find how many hours Carla get to work: 12:00 - 8:00 = 4 hours
Then divide the total amount of laundry by the number of hours to find how many pieces Carla get to clean per hour: 80 pieces / 4 hours = 20 pieces/hour

The answer go be 20.``` 