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October 26, 2014

Homework Help: MATH!!!!!!!

Posted by bert on Tuesday, January 8, 2008 at 8:34pm.

The river boat paddled upstream at 12km/h, stopped for 2 h of sightseeing, and paddled back at 18km/h. How far upstream did the boat travel if the total time for the trip, including the stop, was 7h?

Please help me, the answer is 36 km but i have no idea how to set it up

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