Mathematics · Time and Work
Working alone, A, B, and C can complete a piece of work in 11 days, 20 days, and 55 days respectively. In how many days can the work be completed if A works every day and is assisted by B and C on alternate days (B on the first day, C on the second day, and so on)?
- 110 days
- 29 days
- 38 days✓
- 47 days
Correct answer
8 days
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