Question
If Cole and Mark work together, they can complete a job in 10 days. If Cole and Mark worked together for 8 days, followed by Mark who worked alone for the next 22 days, they can finish off the job.
  1. How many days would Mark need to complete the job alone? 
  2. How many days would Cole need to complete the job alone?
4 m
(a)

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(b)

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If Cole and Mark work together, they can complete a job in 10 days. If Cole and Mark worked together for 8 days, followed by Mark who worked alone for the next 22 days, they can finish off the job.
  1. How many days would Mark need to complete the job alone? 
  2. How many days would Cole need to complete the job alone?