Mathematics · Time and Work
Alice can do a particular piece of work in 7 days, working 9 hours a day, and Bob can do it in 6 days, working 7 hours a day. How many days will they take to complete it together, working 8 2/5 hours per day?
- 14 days
- 25 days
- 32 days
- 43 days✓
Correct answer
3 days
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