Question 763329
Your question is missing a piece of information, specifically, the speed of travel if he left at 8:30AM.  Your question is the same type as this one:



#763151, which will help you very well to understand your current "test" question.


http://www.algebra.com/algebra/homework/word/travel/Travel_Word_Problems.faq.question.763151.html


You need the piece of missing information in order to solve your current question.