need help with this multiple part question

The conical tank shown here is filled with olive oil weighing 45 Ib/fts. How much work does it take to pump all of the oil to the rim of the tank? 10 - 7 (5,20) A conical container of radius 7 ft and height 28 ft is filled to a height of 25 ft of a liquid weighing 60.6 1b / ft. How much work will it take to pump the contents to the rim? How much work will it take to pump the liquid to a level of 3 ft above the cone's rim