LolitaGushi701 LolitaGushi701
  • 13-03-2014
  • Mathematics
Answered

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?



Answer :

amerigelman amerigelman
  • 13-03-2014
1hr +2hr+3hr is 6 hours job done
Answer Link
dnle dnle
  • 14-03-2014
1+2+3=6 hours
bill Charles and bob
Answer Link

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