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April 20, 2014

Homework Help: mathematics

Posted by alyshan on Wednesday, September 3, 2008 at 1:50pm.

a boat travels 12 km upstream and back in 1 hour and 45 min.if the speed of the current is 3 km/h throughout,find the speed of the boat in still water,giving your answer correct to 3 decimal place.

NOTE:(Answer is 14.3 km/h,so can any one show me the solution).

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