3. Find the WORK done to empty a conical tank 25 ft in diameter and 20 ft high, which is filled to 15 ft with gasoline having a weight density of 50 Ibs/ft³. (Gravity is already factored in weight...

Extracted text: 3. Find the WORK done to empty a conical tank 25 ft in diameter and 20 ft high, which is filled to 15 ft with gasoline having a weight density of 50 Ibs/ft³. (Gravity is already factored in weight density.) The gasoline is moved up and over the top. Express your answer in exact form and approximate form to the nearest whole number.