Question
P6.SP.TL.18012227-A1
If Justin and Fred work together, they can complete a job in 10 days. If Justin and Fred worked together for 5 days, followed by Fred who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Fred need to complete the job alone? 
  2. How many days would Justin need to complete the job alone?
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Primary 6 SPEED P6.SP.TL.18012227

24 Jun 2024, 09:17 PM

If Justin and Fred work together, they can complete a job in 10 days. If Justin and Fred worked together for 5 days, followed by Fred who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Fred need to complete the job alone? 
  2. How many days would Justin need to complete the job alone?
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