A works twice as fast as B. If B can complete a piece of work independently in 12 days, find in how many days A and B together can complete this work?

A works twice as fast as B. If B can complete a piece of work independ

1.	A works twice as fast as B. If B can complete a piece of work independently in 12 days, find in how many days A and B together can complete this work?
A.	18 days
B.	4 days
C.	6 days
D.	8 days
Answer» C. 6 days

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A works twice as fast as B. If B can complete a piece of work independently in 12 days, find in how many days A and B together can complete this work?

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