(Solved): A 500 gallon tank is filled with 400 gallons of a salt water mix containing 100 pounds of salt. A s ...

A 500 gallon tank is filled with 400 gallons of a salt water mix containing 100 pounds of salt. A salt solution of 2 pounds per gallon is poured into the top of the tank at a rate of 4 gallons per minute and is released from the bottom of the tank at a rate of 5 gallons per minute. Assume the contents of the tank are well mixed. How much salt is in the tank when there the tank has 300 gallons in it? (round to the nearest lb) ?a. 602 lbs b. 573 lbs c. the correct answer is not shown d. 434 lbs e. 321 lbs