SOLUTION: how many millimeters of a 40 percent acid solutionn and how many of a 10 percent acid solution must be mixed together to produice 30 millimeters 20 percents solution

Algebra ->  Expressions-with-variables -> SOLUTION: how many millimeters of a 40 percent acid solutionn and how many of a 10 percent acid solution must be mixed together to produice 30 millimeters 20 percents solution      Log On