why do hotdog buns come in packages of 10, and hot dog's in packages of 8 ???

HI! Thanks for such an interesting question.

Actually the question should have been and is popularly known the
other way around; "Why do hot dogs come 10 to a pack while buns are 8
to a pack?"

I was able to find the following links that answer your question.  

"Why do hot dogs come 10 to a pack while buns are 8 to a pack?"
http://www.straightdope.com/classics/a2_350.html

"Why do hotdogs come in packages of 10, but hotdog buns only come in
packages of 8?"
http://www.askwimble.com/questions/oct2003/3-oct2003.htm

Search terms used:  
why hotdog buns 10 8
"why do" hot dog buns "come in" 10 8 pack

I hope these links would help you in your research. Before rating this
answer, please ask for a clarification if you have a question or if
you would need further information.
                             
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Easterangel-ga                              
Google Answers Researcher

got me off guard, Great Helper! A++