www.angelfire.com... " Some critics claim that the 900 years of life mentioned in the Bible were not
literal years. They claim that back then people counted each month as a year. They claim that you have to take the age given in the Bible and divide
by 12 months.
This is wrong for many reasons. The Bible tells us how old the patriarchs were when their children were born. Cainan was 70 when his son was born. If
you divided the age by 12, then that means he would have had a child at 5 years old. - This is impossible. " quote from link. anything to the
contrary of that?