A Tank Initially Contains 60 Gal of Brine, in Which

Short Answer

A tank initially contains 60 gal of brine, in which 10 lb of salt is dissolved. Brine containing 2 lb of dissolved salt per gallon flows into the tank at the rate of 4 gal/min, and the well-stirred mixture flows out of the tank at the same rate. How much salt is present in the tank at the end of 10 min?Round the answer to the nearest tenth, if necessary.__________ lb