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OpenStudy (anonymous):
James Callahan has available a 10% alcohol solution and a 60% alcohol solution. Find how many liters of each solution he should mix to make 50 liters of a 40% alcohol solution?
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OpenStudy (aaronq):
let x be the liters of 10% alcohol, and y be the liters of 60% alcohol, then: x+y=50 L 0.1 x +0.6y=0.4*50 L solve the system of equations.
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