Question

A restaurant bill before tax is $15.50. how much is a 15% tip for this bill?

Answer 1

15.50 times .15 is $2.33

Answer 2

Multiply the tip to the bill
15%=0.15
15.50*0.15=2.325

The tip would be $2.33 rounded up
Hope this helps you! Especially when you go out to eat and pay for the bill^^