SOLUTION: Suppose that x liters of 31% acid solution are mixed with y liters of a 42% solution to obtain 100 L oF 36% solution. WHat equations solve this problem?

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Question 622579: Suppose that x liters of 31% acid solution are mixed with y liters of a 42% solution to obtain 100 L oF 36% solution. WHat equations solve this problem?
Answer by josmiceli(19441) About Me  (Show Source):