SOLUTION: How much 30% alcohol solution and how much 90% alcohol solution must be mixed to end up with exactly 18 liters of 60% alcohol solution. How many liters of the 30% solution do you

Question 680472: How much 30% alcohol solution and how much 90% alcohol solution must be mixed to end up with exactly 18 liters of 60% alcohol solution. How many liters of the 30% solution do you need?
Answer by Alan3354(69443) (Show Source): You can put this solution on YOUR website!
How much 30% alcohol solution and how much 90% alcohol solution must be mixed to end up with exactly 18 liters of 60% alcohol solution. How many liters of the 30% solution do you need?
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60% is the average of 30 & 90, so it's equal amounts.

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