Express the exercise as a system of linear equations, then find the solution. Use a calculator where appropriate.Dmitri needs 8 liters of a 59% 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 56% solution and the other an unlimited supply of the 64% solution. How many liters of each solution should Dmitri use?
A. 56% solution: 5 liters; 64% solution: 3 liters
B. 56% solution: 3 liters; 64% solution: 5 liters
C. 56% solution: 4.5 liters; 64% solution: 3.5 liters
D. 56% solution: 5.5 liters; 64% solution: 2.5 liters
Answer: A
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What will be an ideal response?