Solve the problem.A chemistry department wants to make 3 L of a 17.5% basic solution by mixing a 20% solution with a 15% solution. How many liters of each type of basic solution should be used to produce the 17.5% solution?

A. 2 L of 15% solution and 1 L of 20% solution
B. 1.5 L of 15% solution and 1.5 L of 20% solution
C. 0.5 L of 15% solution and 2.5 L of 20% solution
D. 1 L of 15% solution and 2 L of 20% solution


Answer: B

Mathematics

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