Chapter 3, Section 3.4, Question 025 A conical water tank with vertex down has a radius of 9 ft at the top and is 24 ft high. If water flows into the tank at a rate of 20ftmin, how fast is the depth of the water increasing when the water is 16 ft deep? Enter the exact answer. Use "pi" or symbol Ï to enter the Ï Click here to enter or edit your answer ft/min