Arithmetic & Basics
Basic
Tip Amount
Gratuity as a percentage of the bill.
Formula
Variables
pTip percent
billBill amount
Example
15% of $40 = $6
Did You Know?
A quick 15% tip: take 10% (move the decimal) and add half of that again.
Gratuity as a percentage of the bill.
15% of $40 = $6
A quick 15% tip: take 10% (move the decimal) and add half of that again.