SOLUTION: A, B and C can finish a job in 6 days. If B and C work together, the job will take 9 days; if A and C work together it will take 8 days. In how many days can each man working alone
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Question 126265: A, B and C can finish a job in 6 days. If B and C work together, the job will take 9 days; if A and C work together it will take 8 days. In how many days can each man working alone do the job?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
= time A takes
= time B takes
= time C takes
The sum of their rates is the final rate
1 job/a days + 1 job/b days + 1 job/c days = 1 job/6 days
also given is
and
I need to find , , and
I can directly substitute
into
answer
substituting,
answer
answer
A takes 18 days working alone, B takes 24 days working alone
and C takes 14.4 days working alone
check answers:
OK
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