SOLUTION: Al, Sy, and Ed together can create a web page in 4 hrs. Al can create the webpage in 12 hrs and Sy can do it in 14 hrs. How many hrs would it take Ed to make the webpage alone ?
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Question 565231: Al, Sy, and Ed together can create a web page in 4 hrs. Al can create the webpage in 12 hrs and Sy can do it in 14 hrs. How many hrs would it take Ed to make the webpage alone ?
Answer by solver91311(24713) (Show Source): You can put this solution on YOUR website!
This one is a little twist on the typical "Working Together" problem, but the underlying concept is the same.
If A can do a job in x time periods, then A can do 
of the job in 1 time period. Likewise, if B can do the same job in y time periods, then B can do 
of the job in 1 time period.
So, working together, they can do
of the job in 1 time period.
We don't know what Ed can do by himself, so let's just say that he can do the job in 
hours.
Since they get the job done in 4 hours working together, they get 
of the job done in 1 hour. So:
All you need to do now is solve for
John
My calculator said it, I believe it, that settles it
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