SOLUTION: A chemist has two solutions of HCL. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 54 liters of a 39%

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Question 550491: A chemist has two solutions of HCL. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 54 liters of a 39% solution?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
(40%)(x) + (25%)(54 - x) = (39%)(54)