Question

Worker 'A' can complete the entire task alone in 12.5 days, while worker 'B' can finish it in 25 days. If they take turns working on the task each day, with 'B' starting on the first day, how many days will it take for them to complete the work together?

A 15 days
B 17 days
C 17.5 days
D 16.5 days
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