Answer:
$5.13
Step-by-step explanation:
1. Write 18% as fraction form. This is 18/100
2. Simplify this to get 9/50
3. multiply 28.5 to 9/50
4. 28.5 times 9 is 256.5
5. 256.5 over 50 is equal to 5.13
6. Added to the cost of the meal, your total bill is 33.63