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Mathematics 22 Online
OpenStudy (anonymous):

A and B together can make a wall in 60 days. A has worked for 12 days, B finishes the remaining work in 36 days. How many days will B take to finish the whole work alone? A-30 days B- 6days C- 18days D- 24days

OpenStudy (anonymous):

b alone can do it in 30 days.

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