SOLUTION: alan can word process a research paper in 6 hours. with steve's help, the paper can be processed in 4 hours. find how long it takes steve to word process the paper alone.

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Question 14242: alan can word process a research paper in 6 hours. with steve's help, the paper can be processed in 4 hours. find how long it takes steve to word process the paper alone.
Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
If Alan do the entire research paper 6 hours, then he can do 1/6 of the job in 1 hour.
If Alan & Steve together can do the research paper in 4 hours, then they can do 1/4 of the job in 1 hour.
Find out how much of the job Steve can do by himself in 1 hour.
Steve+Alan - Alan = Steve.
1%2F4+-+1%2F6+=+1%2F12 This means that Steve can do 1/12 of the job in 1 hour.
So it will take Steve 12 hours to do the entire job.