SOLUTION: Chemist needs 18 L of a 40% alcohol solution. She must mix a 20% solution and a 50% solution. How many liters of each will be required to obtain what she needs?
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Question 806467: Chemist needs 18 L of a 40% alcohol solution. She must mix a 20% solution and a 50% solution. How many liters of each will be required to obtain what she needs? Answer by richwmiller(17219) (Show Source):
