- A12 days
- B11 4/7 days
- C10 2/7 days
- D13 days
Step-by-Step Solution
A works days, B works . Multiply by 72: , so .
Answer: B) 11 4/7 days
A and B can do a job in 18 days and 24 days. They work together, but B leaves 3 days before the end. How many days does the job take?
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