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1. |
Q: In what ratio must a mixture of 30 % alcohol strength be mixed with that of 50 % alcohol strength so as to get a mixture of 45 % alcohol strength? |
A. | 02:01:00 |
B. | 03:01:00 |
C. | 01:02:00 |
D. | 01:03:00 |
Answer» E. | |