Posted by **cindy** on Monday, September 24, 2007 at 11:15pm.

A boat moving at 15 km/h relative to water is crossing a river 1.5 km wide. The river flows at 5.0 km/h

a) if the boat heads directly for the opposite shore, how long will the trip take?

b)Where will the boat arrive on the opposite shore?

c)If the boat is to reach a point directly across from the starting point , in which direction should the boat head?

d)How long will the crossing take in case c)?

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