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Sam can do 1/4 of the job in one day.

Lisa can do 1/6 of the job in one day.

and Tom can do 1/2 of the job in one day.

Therefore, 1/4+1/6+1/2=1/x

x is the how long it will take if they work together

x=12/11=1.09
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11y ago
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14y ago

99999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999999 days

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14y ago

two and one half hours

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Q: If Sam can do a job in 4 days and Lisa can do the same job in 6 days and Tom can do in 2 days How long would it take if all three worked together to complete the same job then explain why?
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