# SOLUTION: If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa and Tom worked together to complete it ?

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 Click here to see ALL problems on Proportions Question 204947: If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa and Tom worked together to complete it ?Answer by Alan3354(31538)   (Show Source): You can put this solution on YOUR website!If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how long would the job take if Sam, Lisa and Tom worked together to complete it ? ----------------------- Sam does 1/4 job per day. Lisa does 1/6 per day. Tom does 1/2 per day. Add those. 1/4 + 1/6 + 1/2 = 11/12 Together, they do 11/12 of the job per day, so it takes 12/11 days. Together, 12/11 days.