SOLUTION: Working together, it takes two computers 20 minutes to send out a company's email. If it takes the slower computer 60 minutes to do the job on its own, how long will it take the f

Algebra ->  Rate-of-work-word-problems -> SOLUTION: Working together, it takes two computers 20 minutes to send out a company's email. If it takes the slower computer 60 minutes to do the job on its own, how long will it take the f      Log On


   

Question 1135943: Working together, it takes two computers 20 minutes to send out a company's email. If it takes the slower computer 60 minutes to do the job on its own, how long will it take the faster computer to do the job on its own?
Answer by josgarithmetic(39630) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F60%2B1%2Fx=1%2F20
-
60x%281%2F60%2B1%2Fx%29=60x%281%2F20%29
x%2B60=3x
2x=60
x=30-------------------30 minutes for the faster computer by itself