Virat can complete a task in 20 days, whereas Anu can complete the same task in 15 days. How long will it take for Virat and Anu to complete the task if they worked together?

Virat can complete a task in 20 days, whereas Anu can complete the sam

1.	Virat can complete a task in 20 days, whereas Anu can complete the same task in 15 days. How long will it take for Virat and Anu to complete the task if they worked together?
A.	\(12\frac{1}{7}\) days
B.	5 days
C.	\(8\frac{4}{7}\) days
D.	\(17\frac{1}{2}\) days
Answer» D. \(17\frac{1}{2}\) days