SOLUTION: If John takes 4 hours to build a tree house and if Kevin takes 5 hours to build a tree house, what part of the job is done if they work together for 1 hour?
Algebra ->
Rate-of-work-word-problems
-> SOLUTION: If John takes 4 hours to build a tree house and if Kevin takes 5 hours to build a tree house, what part of the job is done if they work together for 1 hour?
Log On
Question 824544: If John takes 4 hours to build a tree house and if Kevin takes 5 hours to build a tree house, what part of the job is done if they work together for 1 hour? Answer by Alan3354(69443) (Show Source):
You can put this solution on YOUR website! If John takes 4 hours to build a tree house and if Kevin takes 5 hours to build a tree house, what part of the job is done if they work together for 1 hour?
-------------
In an hour, John does 1/4 and Kevin does 1/5.
Add those.
