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How Do You Calculate 20% Tip? [Solved]
People generally tip 15-20% of the bill. To calculate tip multiply the total check by 1 plus the decimal percentage tip you’d like to leave. If you wanted to leave a 20% tip, you would add 1 to 0.20 to get 1.20. Multiply the bill by 1.20 to get the total amount you’d leave including tip.
Calculating 20% Tip
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HOW TO quickly and easily calculate 20% tip
In this “How To” video I walk you through the steps of
Easy way to calculate a 20 percent tip 
Don’t have a calculator here’s an easy way to