Three men A, B and C can complete a job in 8, 12 and 16 days respectively. A and B work together for 3 days; then B leaves and C joins. In how many days, can A and C finish the work?
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Step-by-step explanation:
A&B work (1/8+1/12)*3days= 5/8 th of work.
Remained work 1-5/8
A&C work~ (1/8+1/16)*x= 3/8.
x=2day finish the work
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