Posted by **Joy** on Wednesday, November 28, 2012 at 12:50am.

A boat is sailing 42 km/hr upstream on a river that is moving at 16 km/hr downstream. What is the velocity of the sailboat.....can you show me the formula too...not understanding this

- Science -
**Henry**, Friday, November 30, 2012 at 3:24pm
V = 42 - 16 = 26 km/h.

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