SOLUTION: A man can build a brick wall in 8 hours. IF he works for an hour and then asks his apprentice to help him, they finish the job in three more hours. In how many hours can the appr

SOLUTION: A man can build a brick wall in 8 hours. IF he works for an hour and then asks his apprentice to help him, they finish the job in three more hours. In how many hours can the appr

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Question 426464: A man can build a brick wall in 8 hours. IF he works for an hour and then asks his apprentice to help him, they finish the job in three more hours. In how many hours can the apprentice do the who job?
Answer by robertb(5830) (Show Source): You can put this solution on YOUR website!

<==>
<==>
<==>
<==> a = 6. Hence the apprentice can do the whole job alone in 6 hours.
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