1 . A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
- A. 0.5
- B. 7.5
- C. 5.0
- D. 6.4
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1 . A and B together can paint a wall in 3 days. A can do it alone in 5 days. How many days would it take B to do this job alone?
View Answer | Discuss in Forum | Workspace | Report |