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? What equation d

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Question 309801: 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? What equation do you need to find the answer?
Answer by ankor@dixie-net.com(22740)   (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?
What equation do you need to find the answer?
:
Let x = time required when working together
Let the completed job = 1
:
The equation
+ + = 1