Robert can finish the writing of the book in 8 days while James can finish the same work in 10 days. If they work together, then how long they will take to finish the same work?

Robert can finish the writing of the book in 8 days while James can fi

1.	Robert can finish the writing of the book in 8 days while James can finish the same work in 10 days. If they work together, then how long they will take to finish the same work?
A.	\[10\frac{1}{2}\]days
B.	\[6\frac{2}{3}days\]
C.	\[\frac{4}{9}\] days
D.	\[4\frac{4}{9}\]days
Answer» E.

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Robert can finish the writing of the book in 8 days while James can finish the same work in 10 days. If they work together, then how long they will take to finish the same work?

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