Texts: The volume of a tank is 100 gallons. Each minute, 1 gallon of water enters the tank with 5 grams of pollutants. The tank of water is evenly mixed. Each minute, one gallon of the even mixture drains from the tank. If the tank starts full of water without pollutants, how many grams of pollutants are there in the tank at time t?
Part 2: From problem 1. If 3 gal/minute is drained from the tank. How would you modify the model to address the change? I just need part 2 only using the integration factor method.