Free GRE Practice Question

Question 1 of 1
ID: GRE-MCQ-027
Section: GRE Quantitative Reasoning - Multiple Choice with one answer
Topic: Word Problems
Difficulty level: Easy

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A \(20\)-liter solution is \(30\%\) acid by volume. How many liters of pure acid must be added so that the resulting solution is \(50\%\) acid by volume?

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