If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?

If 12 men can do a job in 7 days, what fraction of the job can be done

1.	If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?
A.	\( {1\over 14}\)
B.	\({7\over 12}\)
C.	\({1\over 84}\)
D.	\({1 \over 72}\)
Answer» D. \({1 \over 72}\)

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If 12 men can do a job in 7 days, what fraction of the job can be done by one man in one day?

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