A rubber tire scraper with a 30 cubic yard heaped capacity is used to excavate and haul material that has a swell factor of 25%. The average cycle time of the scraper to load and return is 15 minutes. The machine efficiency is rated at 50 minutes per hour. How many bank cubic yards can the scraper haul per hour?

A rubber tire scraper with a 30 cubic yard heaped capacity is used to excavate and haul material that has a swell factor of 25%. The average cycle time of the scraper to load and return is 15 minutes. The machine efficiency is rated at 50 minutes per hour. How many bank cubic yards can the scraper haul per hour?