How long will it take to excavate a trench 700 feet long , 6 feet wide and 4 feet deep with a backhoe under the following conditions; Backhoe bucket struck capacity = 10 CF, Cycle time is 14 seconds, Operator efficiency is 75%, Job efficiency is 50 minutes work per hour.

How long will it take to excavate a trench 700 feet long , 6 feet wide and 4 feet deep with a backhoe under the following conditions; Backhoe bucket struck capacity = 10 CF, Cycle time is 14 seconds, Operator efficiency is 75%, Job efficiency is 50 minutes work per hour.