Answer:
Option 3 - $24
Explanation:
Given : Adam wants to tip the room service person 15 percent of the food bill of $163.56.
To find : How much should he tip?
Solution :
The tip of the room is 15% of the food bill of $163.56.
i.e, 15% of $163.56




The tip is approximately $24.
Therefore, Option 3 is correct.