Tania has acid solution in two concentrations: 50% and 100%. She wants to produce 300 mL of 80% acid solution by volume. How many milliliters of each concentration should she use?
ElectricPavlov had a great explanation a couple days ago: https://web2.0calc.com/questions/word-prob
ElectricPavlov had a great explanation a couple days ago: https://web2.0calc.com/questions/word-prob