medium · GMAT Quantitative Reasoning
A chemist combines 2 liters of a 10% saline solution with 3 liters of a 20% saline solution, then adds enough pure water to bring the total volume to 10 liters.
What is the saline concentration of the final 10-liter mixture?
- 16%
- 8%
- 15%
- 10%
- 12%
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