How To Calculate The Tip

Let's face it: It's a little embarrassing to pull out your phone at the restaurant for some sixth grade math.

America's tipping system is far from perfect, but the fact is, if you eat out and someone serves you, you need to tip them — unless the restaurant has adopted some sort of alternate policy. According to this chart from Wait But Why, you should never tip under 15%, and most diners tip anywhere from 17-20%.
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