SOLUTION: A welder requires 24 h to do a job. After the welder and an apprentice work on the job for 12 h, the welder quits. The apprentice finishes the job in 12 h. How long would it take t
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Question 908925: A welder requires 24 h to do a job. After the welder and an apprentice work on the job for 12 h, the welder quits. The apprentice finishes the job in 12 h. How long would it take the apprentice, working alone, to do the job?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
12/x+12/24+12/x=1
24/x=1/2
48=x
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