A, B, C can do a piece of work in 10, 12, 15 days respectively. They started working together but C left after working for 3 days, and B left 4 days before the completion of the work. In how many days will A finish the work?
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Answer:
30 days
Step-by-step explanation:
A+B+C = 10+12+15 respectively
10+12+15=37
C left working after 3 days and B left working after 4 days..
37-3-4=30
A will complete the work in 30 days..
Hope it helps you..
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