Let's say that you go out for dinner. The meal and the service are excellent. You want to leave a...

Let's say that you go out for dinner. The meal and the service are excellent. You want to leave a really good tip for the waiter, and you've heard that 20% is a really good tip. The total bill for your dinner is 53.82. Use what you've learned about decimals and percents to write a paragraph explaining how to quickly estimate that the 20% tip rounded to the nearest dollar is 11.