A and B can do a piece of work in 30 days: B and C in 24 days; C and A in 40 days. How long will it
take them to do the work
together? In what time can each finish it, working alone?
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Step-by-step explanation: Given : A and B can do a piece of work in 40 days, B and C in 30 days and C and A in 24 days. To find : In what time can each finish it working alone? Together they take A+B+C= 20 days.
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