Answer:
The total bill is $53.69 I believe. If you want, you can check your answer by using the steps I provided.
Step-by-step explanation:
1. First, you multiply 18 and 45.50 to get 819.
2. Next, you move the decimal two places to the left to get 8.19
3. Finally, you add the tip ($8.19) on the amount of the food to get our answer ($53.69)
