SOLUTION: A can do a piece of work in 30 days,and B can do the same work in 40 days,if both do together then how many days it takes to complete the same work.
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-> SOLUTION: A can do a piece of work in 30 days,and B can do the same work in 40 days,if both do together then how many days it takes to complete the same work.
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Question 822074: A can do a piece of work in 30 days,and B can do the same work in 40 days,if both do together then how many days it takes to complete the same work.
