Solve the problem.In a chemistry class, 5 liters of a 4% silver iodide solution must be mixed with a 10% solution to get a 6% solution. How many liters of the 10% solution are needed?
A. 1.5 L
B. 2.5 L
C. 3.5 L
D. 5.0 L
Answer: B
Mathematics
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