Please answer right I will give you brainliest :)

Answer:
B: (1,15)
Step-by-step explanation:
The points on the graph increase by 1 for the x-coordinates, and 15 for the y-coordinates.
Answer:
The answer is B.
Step-by-step explanation:
This is because a unit rate is the amout for only one of an object and number of people was the x and y is the total cost.