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April 16, 2014

Homework Help: Maths

Posted by Babiinoob on Thursday, October 6, 2011 at 7:52pm.

A river flows at 3km/h. At what speed must a boat travel in order to make a 35km trip upstream in a time of 50 minutes?
How long will it take the boat to make the return trip downstream? (Assume the boat retains the speed travelled upstream)
Working out please

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