SOLUTION: One person took 4 days to complete a job. The second person took 6 days to complete the same job. The third person took 2 days. If the 3 people worked together how long would it

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Question 440727: One person took 4 days to complete a job. The second person took 6 days to complete the same job. The third person took 2 days. If the 3 people worked together how long would it take them to complete the job.
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
The 1st did 1/4 job per day.
The 2nd did 1/6 per day.
The 3rd did 1/2 per day.
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Add those, get the job per day.
Days per job is the inverse of job/day.