Mathematics, 19.05.2020 23:45, thetudent41

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?

Answers: 3

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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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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?