Question 1151072
Working alone a master an apprentice can wire a particular model house in 15 hours working on the master can do the same job and 20 hours how long would it take for the apprentice to do the same job alone


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Working alone a master anD apprentice can wire a particular model house in 15 hours. Working ALonE the master  can do the same job <s>and</s> IN 20 hours. How long would it take for the apprentice to do the same job alone?
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