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Charles can do a job in 1 hour, Bill can do the same job in 2 hours, and Bob can do the job in 3 hours. How long does it take them to do the job working together?
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Charles can do a job in 1 hour, Bill can do the same job in 2 hours, and Bob can do the job in 3 hours. How long does it take them to do the job working together?
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Jan 1, 2015
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Charles can do a job in 1 hour, Bill can do the same job in 2 hours, and Bob can do the job
in 3 hours. How long does it take them to do the job working together?
Mathematics
high-school
Dlukes
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1+2+3=6 hours
bill Charles and bob
Gsoni
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Jan 2, 2015
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Gsoni
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1hr +2hr+3hr is 6 hours job done
Richard Watts
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Jan 6, 2015
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Richard Watts
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