Mathematics
Mathematics, 05.02.2020 13:52, maddyr04

Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes. when completing the job together, which expression would be used to represent the amount of work done by person 1?

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Person 1 can do a certain job in fifteen minutes, and person 2 can do the same job in thirty minutes...

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