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

Question 199321: If Sam can do a job in 4 days and Lisa can do it in 6 days and tom in 2 days, how long would the job take if Sam, Lisa and Tom worked together to complete it?
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 and Lisa can do it in 6 days and tom in 2 days,
how long would the job take if Sam, Lisa and Tom worked together to complete it?
:
Let t = time required if all three work together
Let the completed job = 1
:
+ + = 1
Multiply equation by 12 to get rid of the denominators, results:
3t + 2t + 6t = 12
11t = 12
t = days or (12/11) * 24 ~ 26.2 hrs
RELATED QUESTIONS
If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by chitra)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by ankor@dixie-net.com)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by ptaylor)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by Mathtut)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by stanbon)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by edjones)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by ptaylor)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by Alan3354)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by scott8148)

If Sam can do a job in 4 days that Lisa can do in 6 days and Tom can do in 2 days, how... (answered by JimboP1977)