1 . If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?
- A. 5 hours 12 minutes
- B. 6 hours 40 minutes
- C. 2 hours 24 minutes
- D. 6 hours 12 minutes
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1 . If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?
View Answer | Discuss in Forum | Workspace | Report |