An excavation that measures 500`x1000` in a subdivision will have 6″ of soil removed. A scrapper with a 100 cubic yard per hour heaped capacity will be used. How many hours will it take to excavate the lot?

An excavation that measures 500`x1000` in a subdivision will have 6″ of soil removed. A scrapper with a 100 cubic yard per hour heaped capacity will be used. How many hours will it take to excavate the lot?