SOLUTION: A chemist need 12L of a 40% alcohol solutions. She 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 793362: A chemist need 12L of a 40% alcohol solutions. She mix a 20% solution and a 50% solution. How many liters of each will be required to obtain what she needs? Answer by josgarithmetic(39617) (Show Source):
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