Question
If Carl and Sam work together, they can complete a job in 8 days. If Carl and Sam worked together for 6 days, followed by Sam who worked alone for the next 18 days, they can finish off the job.
  1. How many days would Sam need to complete the job alone? 
  2. How many days would Carl need to complete the job alone?
4 m
(a)

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(b)

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If Carl and Sam work together, they can complete a job in 8 days. If Carl and Sam worked together for 6 days, followed by Sam who worked alone for the next 18 days, they can finish off the job.
  1. How many days would Sam need to complete the job alone? 
  2. How many days would Carl need to complete the job alone?