Try Your Best to Pass This Life Skills Test
28.What is 15% of $80?
Correct Incorrect It's customary to tip at least 15% at American restaurants. To calculate 15% of any amount, you can first find 10% and then add half of it to itself. For example, for a bill of $80, 10% is $8, and half of that is $4. Adding $8 and $4 together equals a 15% tip of $12.