A couple state an 18% gratuity will be added to your bill. Not a problem for me. The others state to tip on the full amount of the check. But when they add tax, is that considered the full amount? Here in CLE-land I just usually double the tax and add a little, it usually comes out to 15-18%.

If I could only figure how to do math in my head. My wonderful Samsung Sprint phone does not have a tip calculator.