A person rows a distance of 20 km upstream and 15 km downstream in a total time of \(2 \frac{5}{12}\) hours. If the speed of the current is 4 km/h, then in how many hours can he row a distance of 64 km upstream?

A person rows a distance of 20 km upstream and 15 km downstream in a

1.	A person rows a distance of 20 km upstream and 15 km downstream in a total time of \(2 \frac{5}{12}\) hours. If the speed of the current is 4 km/h, then in how many hours can he row a distance of 64 km upstream?
A.	\(5 \frac{1}{3}\)
B.	\(4\frac{2}{3}\)
C.	\(5\frac{1}{2}\)
D.	\(4\frac{1}{4}\)
Answer» B. \(4\frac{2}{3}\)

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A person rows a distance of 20 km upstream and 15 km downstream in a total time of \(2 \frac{5}{12}\) hours. If the speed of the current is 4 km/h, then in how many hours can he row a distance of 64 km upstream?

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