If a job is complete in X days by A, what will be A's one day work?  Choose the correct choice:  A) 1/x  B) x  C) 10  D) 5  E) x/2
A can complete a work in x days.   so one day work of a is 1/x.   1/xnswer is option 1/x
<result>A</result>
If a job is complete in X days by A, what will be A's one day work?