Question
If Lee and Tommy work together, they can complete a job in 12 days. If Lee and Tommy worked together for 6 days, followed by Tommy who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Tommy need to complete the job alone? 
  2. How many days would Lee need to complete the job alone?
4 m
(a)

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(b)

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If Lee and Tommy work together, they can complete a job in 12 days. If Lee and Tommy worked together for 6 days, followed by Tommy who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Tommy need to complete the job alone? 
  2. How many days would Lee need to complete the job alone?