Namaste, iam Margarita Chen, Enjoy the rest of your day.
Is 20 Percent A Good Tip? [Solved]
For the wait staff at sit-down restaurants, the tip should be 15 to 20 percent of the pretax bill. Tips are not necessary when you pick up your order or at fast-food restaurants.
Math Tricks to Easily Figure 20 Percent
Math Tricks to Easily Figure
Easy way to calculate a 20 percent tip 
Don’t have a calculator here’s an easy way to calculate a
How to Make $4,000 a Week Pressure Washing Profit, Tips, & Advice
Interested in starting a pressure washing business? This video talks how to start making up to $4000 a day with pressure washing.