Question
Person A and Person B can complete the work alone in 18 days and 24 days, respectively, and the efficiency of Person C is -----% greater than the efficiency of Person A. If Person B starts the work and after 3 days, Persons A and C join in, then the entire work is finished in ---- days. Which of the following options will fit into the blanks provided in the question?
- A 10%, 6.4 days
- B 15%, 5.2 days
- C 20%, 8.3 days
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