$9. 60
Steps:
20% of 24 is 4.8 ( in Calculator, use 0.2 multiplied by 24)
Subtract 4.8 from the original value, 24 since the tip is given away to the waiter.
24-4.8= 19.2
Divide 19.2 by two
19.2/2= 9.60.
If you need me to further elaborate, just comment and I’ll be happy to help
