medium · GMAT Quant
A liquid mixture contains components P, Q, and R in the ratio 3:5:10 by volume. If 4 liters of liquid P and 2 liters of liquid Q are added to the mixture, the new ratio of the volume of liquid P to the volume of liquid Q becomes 2:3.
How many liters of liquid R were in the original mixture?
- 40
- 60
- 120
- 80
- 100
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