Used Rarely. merc is in the lower 50% of commonly used words in the Collins dictionary
Â· just now. Report Abuse. you can fold a piece of regular paper in half 12 times. You can fold paper for ever if you start in the corner and dog ear it that's 4 right there turn it over and there is 8 more dog ears there now fold it in half that's 9 so 8 is straight out. snizzleborfin Â· 9 years ago.
The difference in the number of the page sizes equals the number of times you should fold it. So if you have a C4 or B4 envelope and a sheet of A2 paper, you should fold it in half twice. The same method works for filing larger paper sizes in file folders of a smaller size. This works with the B and C envelope formats.