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?
+37159
Ingredients in = ingredients out
.50 x + 1.0 (300-x) = .8 ( 300) solve for 'x' the ml of 50% then 100% is 300 - x
