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1. |
In a mixture of 25 liters, the ratio of acid to water is 4 : 1. Another 3 liters of water is added to the mixture. The ratio of acid to water in the new mixture is: |
A. | 5 : 2 |
B. | 2 : 5 |
C. | 3 : 5 |
D. | 5 : 3 |
Answer» B. 2 : 5 | |