12.70.
15 percent tip for 66.60 = 9.9915% of 66.60= 0.15 * 66.60= 9.99
quick way to estimate a 10 percent tip is to remove the ones digit.Example: to give 10% tip for 50 = 510% tip for 500 = 50
If the total of your bill is $249.10 and you want to leave a 15 percent tip it would be $37.37.
Ten percent of 14.41 would be 1.44; double that to get 2.88. For a tip, I'd leave $3 in cash.
-- Remember that "15 percent" means 0.15 . -- Multiply the bill by that number to calculate the tip.
To calculate a 15 percent tip on $12.68, you multiply 12.68 by 0.15, which equals approximately $1.90. Adding the tip to the original amount, the total comes to about $14.58.
10.80
15-20 percent is the standard tip for services rendered.
$3.78
4.35
9.00
$25.28