Mathematics, 06.05.2020 01:46 bee3176
Person 1 can do a certain job in twenty-one minutes, and person 2 can do the same job in twenty-eight minutes. When
completing the job together, which expression would be used to represent the amount of work done by person 1?
Answers: 3
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Person 1 can do a certain job in twenty-one minutes, and person 2 can do the same job in twenty-eigh...
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