James can do a job in 1.5 hours. Jane can do the same job in 1 hour. How long will it take them to do the job if they work together? (BTW 30 minutes is not the answer)

James can do a job in 1.5 hours. Jane can do the same job in 1 hour. How long will it take them to do the job if they work together? (BTW 30 minutes is not the answer)

asked Aug 2, 2023 130k views

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