A and B can do a piece of work independently in 12 days and 16 days respectively. They worked together for 4 days and B left the work. How many more days A worked to finish the work?

A and B can do a piece of work independently in 12 days and 16 days re

1.	A and B can do a piece of work independently in 12 days and 16 days respectively. They worked together for 4 days and B left the work. How many more days A worked to finish the work?
A.	3 days
B.	4 days
C.	5 days
D.	6 days
Answer» D. 6 days

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A and B can do a piece of work independently in 12 days and 16 days respectively. They worked together for 4 days and B left the work. How many more days A worked to finish the work?

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