question archive A tank contains 80 kg of salt and E??? L of water
Subject:MathPrice: Bought3
A tank contains 80 kg of salt and E??? L of water. Pure water enters a tank at the rate 6 L! min. The solution is mixed and drains from the tank at the rate 3 L! min. [a] What is the amount of salt in the tank initially? {b} Find the amount of salt in the tank after 4 hours. {:1 Find the concentration of salt in the solution in the tank as time approaches infinity. {Assume your tank is large enough to hold all the solution.}