Question
If John and Ryan work together, they can complete a job in 12 days. If John and Ryan worked together for 8 days, followed by Ryan who worked alone for the next 16 days, they can finish off the job.
  1. How many days would Ryan need to complete the job alone? 
  2. How many days would John need to complete the job alone?
4 m
(a)

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(b)

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If John and Ryan work together, they can complete a job in 12 days. If John and Ryan worked together for 8 days, followed by Ryan who worked alone for the next 16 days, they can finish off the job.
  1. How many days would Ryan need to complete the job alone? 
  2. How many days would John need to complete the job alone?