Question 1092797
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At given condition there is no a unique answer.


From the other side (or in contrast), it can be solved and has a unique answer under the assumption that 
the distance "to there" is equal to the distance back, but it is not stated explicitly in the condition.



<U>Lesson to learn from my explanation</U>:



&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Learn how to formulate Math problems correctly !



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Also see the lessons

&nbsp;&nbsp;&nbsp;&nbsp;- <A /HREF=http://www.algebra.com/algebra/homework/word/travel/Calculating-an-average-speed.lesson>Calculating an average speed: a train going from A to B and back</A> 

&nbsp;&nbsp;&nbsp;&nbsp;- <A HREF=http://www.algebra.com/algebra/homework/word/travel/One-more-problem-on-calculating-an-average-speed.lesson>One more problem on calculating an average speed</A>  

in this site.