Answer:
Since k is constant (the same for every point), we can find k when given any point by dividing the y-coordinate by the x-coordinate.
so i assume it could be 162 sorry if i am wrong let me know if it is right or not
I think 4.2 x 10^6 is the answer you're looking for.
D because it says you will be getting at least 4500 or more dollars by adding the adult and student tickets