SOLUTION: An advertising firm has an old computer that can prepare mailing in 6 hours. With the help of a newer model the job is complete in 2 hours. How long would it take the newer mod

Algebra ->  Coordinate Systems and Linear Equations  -> Linear Equations and Systems Word Problems -> SOLUTION: An advertising firm has an old computer that can prepare mailing in 6 hours. With the help of a newer model the job is complete in 2 hours. How long would it take the newer mod      Log On


   

Question 1048229: An advertising firm has an old computer that can prepare mailing in 6 hours. With the
help of a newer model the job is complete in 2 hours. How long would it take the newer
model to do the job alone?
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
1%2F6+%2B+1%2Fx+=+1%2F2 Multiply thru by 6x
x + 6 = 3x
6 = 2x
x = 3hr, How long would it take the newer model to do the job alone