A tank containing 50 gal of water has 10 lb of salt dissolved in it. Fresh water is poured in the tank at a rate of 2 gal/min, mixed thoroughly, and allowed to drain at the same rate. Find the amount of salt in the tank at any given time t, then find how long it takes for there to be 1 lb of salt left in the tank.
A tank containing 50 gal of water has 10 lb of salt dissolved in it.
Fresh water is poured in the tank at a rate of 2 gal/min, mixed thoroughly, and allowed to drain at the same rate. Find the amount of salt in the tank at any given time t, then find how long it takes for there to be 1 lb of salt left in the tank.