SOLUTION: A new machine takes one-third the time to complete a certain job that an old machine does. Working together they can complete the job in 8 minutes. How long would it take the old m

Question 47056: A new machine takes one-third the time to complete a certain job that an old machine does. Working together they can complete the job in 8 minutes. How long would it take the old machine to complete the job if it were working alone?
Answer by Paul(988) (Show Source): You can put this solution on YOUR website!
New machine = 1x/3
Old machine = x
Together = 8
EQUATION:

x=0 or x=32
Hence, it would take 32 minutes.
Paul.
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