SOLUTION: A plumber can complete a job in 2 hours. If an apprentice helps, it takes only 1 1/3 hours. How long would it take the apprentice working alone?
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Question 876096: A plumber can complete a job in 2 hours. If an apprentice helps, it takes only 1 1/3 hours. How long would it take the apprentice working alone?
Answer by harpazo(655) (Show Source): You can put this solution on YOUR website!
Let x = the length of time it takes the apprentice working alone.
(1/2) + (1/x) = 4/3
Solve equation for x to find your answer.
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