A standard tip is usually about 15 percent, so 30 would be about right.
10.80
$12.80
the answer is 48
$10.40
3 dollars
In Japan, it is not customary to leave a tip at restaurants. If you are in America, it is generally accepted that a tip should be 15 - 20% of the bill for good service.
His tip was 2.45 exactly.
85 * .2 = 17
$138.20
after the meal, and you receive your bill. you give the tip. the general rule is you take 8% of your bill and that's how much tip you leave. example: your bill $20.99. your tip = $1.67 you're always welcomed to leave more.
Three dollars and eighty six cents.
calculate 20% of the total bill and leave that much.