Solve the problem by using two equations with two variables.Dmitri needs 5 liters of a 34% solution of sulfuric acid for a research project in molecular biology. He has two supplies of sulfuric acid solution: one is an unlimited supply of the 40% solution and the other an unlimited supply of the 30% solution. How many liters of each solution should Dmitri use?
A. 40% solution: 2.5 liters; 30% solution: 2.5 liters
B. 40% solution: 3 liters; 30% solution: 2 liters
C. 40% solution: 1.5 liters; 30% solution: 3.5 liters
D. 40% solution: 2 liters; 30% solution: 3 liters
Answer: D
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