Mathematics, 22.07.2019 03:00 oliviaprejean18

Janet can do a job in 3 hours while garry can do the same job in 2 hours. if janet works for an hour before garry her, how long will it take them to finish the job together?

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Janet can do a job in 3 hours while garry can do the same job in 2 hours. if janet works for an hour...