ACID MIXTURE Thirty liters of a 40% acid solution isobtained by mixing a 25% solution

Chapter 6, Problem 51

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ACID MIXTURE Thirty liters of a 40% acid solution isobtained by mixing a 25% solution with a 50% solution.(a) Write a system of equations in which one equationrepresents the amount of final mixture required andthe other represents the percent of acid in the finalmixture. Let and represent the amounts of the25% and 50% solutions, respectively.(b) Use a graphing utility to graph the two equations inpart (a) in the same viewing window. As the amountof the 25% solution increases, how does the amountof the 50% solution change?(c) How much of each solution is required to obtain thespecified concentration of the final mixture?