SOLUTION: Adam takes 4 hours to do a job and Sloan takes 5 hours to do the same job. If they work together, how many hours will it take them to complete the job ?
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Question 604999: Adam takes 4 hours to do a job and Sloan takes 5 hours to do the same job. If they work together, how many hours will it take them to complete the job ? Answer by lynnlo(4176) (Show Source):
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