input me of brine A tank contains A L of pure water. Brine that contains B kg of salt per liter of water enters the tank at the rate of C L/min. Brine that contains D kg of salt per liter of water enters the tank at the rate of F L/min. The solution is kept thoroughly mixed and drains from the tank at a rate of G/min. How much salt is in the tank after 30 minutes? Let s(t) = amount, in kg of salt at time t. Pure water Ouipulate Solution
