One is Fundamentalist author Dave Hunt. In his 1994 book, A Woman Rides the Beast, he presents nine arguments to try to show that the Catholic Church is the Whore. His nine are a useful summary of those commonly used by Fundamentalists, and an examination of them shows why the charge simply doesn't work. The Greek word in this passage horos .
Modern Bibles have similar ratios.
This blows the interpretation of the text wide open. The Whore's seven mountains might be seven kingdoms she reigns over, or seven kingdoms with which she has something in common. The number seven may be symbolic also, for it often represents completeness in the Bible. If so, the seven mountains might signify that the Whore reigns over all the kingdoms of the earth. Other cities are known for having been built on seven hills as well.