SOLUTION: Hi and thank you very much for answering my question! A boat travels 12km upstream and back in 3 hours. If the speed of the current is 3 km/h throughout, let the speed of the bo

Question 975137: Hi and thank you very much for answering my question!
A boat travels 12km upstream and back in 3 hours. If the speed of the current is 3 km/h throughout, let the speed of the boat in still water be x, find the upstream speed and the downstream speed in terms of x.
Please include a brief explanation if possible and once again thanks! :)
Answer by josgarithmetic(39801) (Show Source): You can put this solution on YOUR website!
Essentially the problem is to solve for your "x".

That has already been done here, a few minutes ago:
http://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.975138.html
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