Mathematics · Time and Work
A and B, when working alone, can complete a piece of work in 20 days and 25 days, respectively. They work on alternate days, with A and B starting to work on Day 1 and Day 2, respectively. How long will it take them to complete the work?
- 111 days
- 222 days
- 323 days
- 42215 days✓
Correct answer
2215 days
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