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1. |
4 men and 3 women finish a job in6 days, and 5 men and 7 women can do the same job in 4 days. How long will 1 man and 1 woman take to do the work? |
A. | 19(1/2) days |
B. | 22(2/7) days |
C. | 12(7/22) days |
D. | 5(1/7) days |
Answer» B. 22(2/7) days | |