- A12 days
- B18 days
- C15 days
- D20 days
Step-by-Step Solution
6 days both: . A 6 more: . A 3 more: . C did in 3 days: 15 days.
Answer: C) 15 days
A can do a job in 30 days and B in 20. They work together for 6 days, then B leaves. A works 6 more days, and then C joins A; they finish in 3 days. How long would C take alone?
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