Mathematics · Time and Work
A and B together can complete a piece of work in 25 days, B and C together can complete the same piece of work in 36 days, while C and A together can complete it in 30 days. If A, B, C, and D together can complete this piece of work in 18 days, then in how many days can D alone complete this piece of work?
- 1225
- 2200✓
- 3180
- 4210
Correct answer
200
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