英文translate

你可以說：
Do you have change in twenty-dollar notes for a hundred-dollar note?
其實【征服英語】也曾提過，你可參考：
http://education.atnext.com/index.cfm?fuseaction=Article.View&articleID=5737603&issueID=20060315

I want to exchange a hundred dollar note into 5 twenty dollar notes.

I want to exchange a hundred dollars note into five twenty dollars note.