Posted by HELP HELP MHNS on Monday, July 1, 2013 at 7:37pm.
A man can do the job in 8 days after 3 days of working a new guy help him and it takes 3 more days to finish the job together. how long will it take the new guy to finish the job alone?

Math(work problem)  Steve, Tuesday, July 2, 2013 at 12:15am
After 3 days, there is still 5/8 job left to do.
(5/8)/3 = 1/8 + 1/x
x = 12
Check:
In 3 days, the man can do 3/8 of the work
The helper can do 3/12 = 1/4 of the work
3/8 + 1/4 = 5/8, the amount of the work left to do.
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