A boat travel 18 km upstream and 14 km downstream in 4 hours. It travels 3 km upstream and \(10\frac{1}{2}km\) downstream in \(1\frac{1}{4}\) hours. What is the speed (in km/h) of the stream?

A boat travel 18 km upstream and 14 km downstream in 4 hours. It trave

1.	A boat travel 18 km upstream and 14 km downstream in 4 hours. It travels 3 km upstream and \(10\frac{1}{2}km\) downstream in \(1\frac{1}{4}\) hours. What is the speed (in km/h) of the stream?
A.	5
B.	\(4\frac{1}{2}\)
C.	\(5\frac{1}{2}\)
D.	4
Answer» E.

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A boat travel 18 km upstream and 14 km downstream in 4 hours. It travels 3 km upstream and \(10\frac{1}{2}km\) downstream in \(1\frac{1}{4}\) hours. What is the speed (in km/h) of the stream?

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