SOLUTION: if i can do a jon for 4hrs and we can do the same job in 2hrs,how long can you do the job alone?

Question 628801: if i can do a jon for 4hrs and we can do the same job in 2hrs,how long can you do the job alone?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
if i can do a job for 4hrs and we can do the same job in 2hrs,
how long can you do the job alone?
:
It's obvious that you can do half the job in 2 hrs, therefore the other guy can do the job alone in 4 hrs also
:
Anyway, here is the shared work equation
:
Let y = time for you to do it alone
Let the completed job = 1
:
+ = 1
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