Question
P6.SP.TL.18012227-A1
If David and Sam work together, they can complete a job in 12 days. If David and Sam worked together for 8 days, followed by Sam who worked alone for the next 20 days, they can finish off the job.
  1. How many days would Sam need to complete the job alone? 
  2. How many days would David need to complete the job alone?
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Primary 6 SPEED P6.SP.TL.18012227

28 Jun 2024, 09:26 AM

If David and Sam work together, they can complete a job in 12 days. If David and Sam worked together for 8 days, followed by Sam who worked alone for the next 20 days, they can finish off the job.
  1. How many days would Sam need to complete the job alone? 
  2. How many days would David need to complete the job alone?
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