Question
P6.SP.TL.18012227-A1
If Archie and Pierre work together, they can complete a job in 12 days. If Archie and Pierre worked together for 9 days, followed by Pierre who worked alone for the next 21 days, they can finish off the job.
  1. How many days would Pierre need to complete the job alone? 
  2. How many days would Archie need to complete the job alone?
4 m
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Primary 6 SPEED P6.SP.TL.18012227

01 Jul 2024, 03:46 AM

If Archie and Pierre work together, they can complete a job in 12 days. If Archie and Pierre worked together for 9 days, followed by Pierre who worked alone for the next 21 days, they can finish off the job.
  1. How many days would Pierre need to complete the job alone? 
  2. How many days would Archie need to complete the job alone?
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