Ken Ham's Math Problems Solved!

It appears that my confusion in Part I has to do with Mr. Ham's poor wording--and/or my inability to read properly--and not his math:5% of those who are now 20-29 and at one point in life attended church regularly, stopped doing so before elementary/middle school. (Hence Ham's stated 95%)40% of those who are now 20-29 and at one point in life attended church regularly, stopped doing so before