Question

please solve the 2 problem..

1. Determine how much water is required to dilute 15 liters of a solution that is 12 percent dye so that a 5 percent dye solution is obtained?
2. How much water must be evaporated from the 15 liters of the 12 percent dye solution in NUMBER 1 to obtain a solution that is 20 percent dye? Assume that the total amount of dye is not affected by the process of evaporation.

Answer 1

6Leters