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. 3.5 L
B. 5.0 L
C. 2.5 L
D. 1.5 L
Answer: C
Mathematics
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Equation:
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Inequality:
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A. ?
B. ?
C. ?
D. ?
E. ?
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A. 
B. 
C. 
D. 
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A. 0, 3, 5 B. -3, -5 C. 3, 5 D. 2, 3, 5
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Mathematics