Question
P6.SP.TL.18012227-A1
If Justin and Ethan work together, they can complete a job in 15 days. If Justin and Ethan worked together for 10 days, followed by Ethan who worked alone for the next 20 days, they can finish off the job.
  1. How many days would Ethan 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

21 May 2024, 12:31 PM

If Justin and Ethan work together, they can complete a job in 15 days. If Justin and Ethan worked together for 10 days, followed by Ethan who worked alone for the next 20 days, they can finish off the job.
  1. How many days would Ethan need to complete the job alone? 
  2. How many days would Justin need to complete the job alone?
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