SOLUTION: Suppose that one solution contains 50% alcohol and another solution contains 90% alcohol. How many liters of each solution should be mixed to make 9.5 liters of a 70% alcohol solut

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Question 378588: Suppose that one solution contains 50% alcohol and another solution contains 90% alcohol. How many liters of each solution should be mixed to make 9.5 liters of a 70% alcohol solution?
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x(50%) + (9.5 - x)(90%) = 9.5(70%)