A vessel initially contains 400 liters of acid A and 80 liters of acid B. A certain quantity of mixture is removed from the vessel, and then some lite...
Question
A vessel initially contains 400 liters of acid A and 80 liters of acid B. A certain quantity of mixture is removed from the vessel, and then some liters of acid B are added to the remaining mixture. After this process, the quantity of acid A in the vessel exceeds the quantity of acid B by 250 liters.
Which of the following pairs of integral values (liters of mixture removed, liters of acid B added) satisfy this condition?