An inverted conical tank starts the day with 250 ft^3 of crayon wax in it. As the factory commences work the tank is filled with an additional 40 ft^3 of wax per minute. The height of the wax in the tank is modeled by H(V)= 3piV/25. A. Write a function V(t) to model the volume of wax in the tank after t minutes. B. Find an expression for the composition (HoV)(t) C. The composition in B. can be described as the of the wax in terms of .