A trench is to be dug 2500′ long. The base of the trench is 3′ wide. The depth is 9′. Sides are sloped at 1:1 for the top 4′. A Hoe excavates 27.5 CY per hour. What are the total number hours required to excavate the trench?

A trench is to be dug 2500′ long. The base of the trench is 3′ wide. The depth is 9′. Sides are sloped at 1:1 for the top 4′. A Hoe excavates 27.5 CY per hour. What are the total number hours required to excavate the trench?