SOLUTION: One carpenter can complete a kitchen in 8 days. With the help of another carpenter, they can do the job toegether in 4 days. How long would it take the second carpenter if he wor

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Question 105278: One carpenter can complete a kitchen in 8 days. With the help of another carpenter, they can do the job toegether in 4 days. How long would it take the second carpenter if he worked alone?
Would you set it up like this?
x/4-x/8=1

Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
take a little time to think about what is going on

one guy takes 8 days to do a job
...when another guy works with him (now 2 guys) it takes 4 days (half the time)
...how fast is the other guy?

(x/8)+(4/8)=1