3 years ago in Time and Work

A and B can do a piece of work in 30 days, while B and C can do the same work in 24 days and C and A in 20 days. They all work together for 10 days when B and C leave. How many days more will A take to finish the work?

[A] 18 days
[B] 24 days
[C] 30 days
[D] 36 days
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Nguyễn Trường
Nguyễn Trường - 6 months ago

Nguyễn Trường from Ho Chi Minh City, Vietnam is saying 18 days is correct answer

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