SOLUTION: Workers A and B can complete a particular job if they work together for 12 days. If A works alone for 20 days and B completes the job alone in 6 more days, how long does it take ea

SOLUTION: Workers A and B can complete a particular job if they work together for 12 days. If A works alone for 20 days and B completes the job alone in 6 more days, how long does it take ea

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Question 909883: Workers A and B can complete a particular job if they work together for 12 days. If A works alone for 20 days and B completes the job alone in 6 more days, how long does it take each worker to do the job alone?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
20/a+6/b=1,
12/a+12/b=1
a = 28, b = 21
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