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

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(b)

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