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Old 07-11-2014   #3
Join Date: Jun 2014
Posts: 14

Originally Posted by MAS1 View Post
Since the boat is headed downstream we can add the rate of the boat in still water to the rate of the stream giving us a combined rate of 17 km/hr.

distance = rate x time
68 km = 17 km/hr x time
68/17 hr = time
4 hrs = time.
Thank you so much
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