Solve the Problem. -A Construction Crane Lifts a 100-Lb Bucket Originally Containing 130

Multiple Choice

Solve the problem.
-A construction crane lifts a 100-lb bucket originally containing 130 lb of sand at a constant rate. The sand leaks out at a constant rate so that there is only 65 lb of sand left when the crane reaches a height of 60 feet. How
Much work is done by the crane?

A) 13,800 ft · lb
B) 5850 ft · lb
C) 2550 ft · lb
D) 11,850 ft · lb