Answer:
$50.40
Explanation:
To find how much Lana will pay in total follow these steps.
First, multiply 40 by 1.05.
40×1.05=42.
This is how much she will pay for the food plus tax.
Now, multiply 42 by 1.2.
42×1.2=50.40
This is how much she will pay for the food, tax, and tip.
Lana will pay a total of $50.40.
Hope this helps!