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14 November, 17:35

One person can do a certain job in twentyone minutes and another person can do the same job in

twenty eight minutes. How many minutes will it take them to do the job together?

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Answers (2)
  1. 14 November, 17:41
    0
    Answer: 24.5

    Step-by-step explanation:

    Divide each of their jobs in half and then add the halves together so that would be 10 1/2 and 14 and then equals 24 1/2
  2. 14 November, 17:45
    0
    49 minutes
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