# SOLUTION: An experienced carpenter requires 15 hours to complete a job. An apprentice requires twice as many hours to complete the same job. How long would it take the carpenters, working

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 Click here to see ALL problems on Rate-of-work-word-problems Question 622827: An experienced carpenter requires 15 hours to complete a job. An apprentice requires twice as many hours to complete the same job. How long would it take the carpenters, working together to complete the job?Answer by Alan3354(30993)   (Show Source): You can put this solution on YOUR website!An experienced carpenter requires 15 hours to complete a job. An apprentice requires twice as many hours to complete the same job. How long would it take the carpenters, working together to complete the job? -------- c does 1/15 of the job per hour a does 1/30 --- Together, they do 1/15 + 1/30 = 1/10 per hour --> 10 hours