Question
If Luis and Paul work together, they can complete a job in 12 days. If Luis and Paul worked together for 6 days, followed by Paul who worked alone for the next 18 days, they can finish off the job.
  1. How many days would Paul need to complete the job alone? 
  2. How many days would Luis need to complete the job alone?
4 m
(a)

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(b)

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If Luis and Paul work together, they can complete a job in 12 days. If Luis and Paul worked together for 6 days, followed by Paul who worked alone for the next 18 days, they can finish off the job.
  1. How many days would Paul need to complete the job alone? 
  2. How many days would Luis need to complete the job alone?