SOLUTION: how many liters of a 10% alcohol solution must be mixed with 20 L of a 50% solution to get a 40% solution?
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Question 943157: how many liters of a 10% alcohol solution must be mixed with 20 L of a 50% solution to get a 40% solution?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
how many liters of a 10% alcohol solution must be mixed with 20 L of a 50% solution to get a 40% solution?
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Add x liters.
10*x + 20*50 = (20 + x)*40
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