The typical tip would be 19.5, you get this from solving or searching up 15% of 130 equaling to 19.5
19 guests because each guest is $2 each according to the question.
Answer: B
The number 3 isn't included because the point isn't included.
The arrow points to the left, representing any number less than 3 to be a solution.
Inequality: x < 3
Attached image is the answer