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1. |
A can finish a task in 6 days by working for 8 hours/day and B has the capacity to finish the same task in 8 days by working for 6 hours/day. In how many days will they finish it together by working 4 hours a day? |
A. | 9 days |
B. | 6 days |
C. | 8 days |
D. | 12 days |
Answer» C. 8 days | |