Kevin is a songwriter who collects royalties on his songs whenever they are played in a commercial or a movie. Kevin will earn $
50 every time one of his songs is played in a commercial and he will earn $150 every time one of his songs is played in a movie. Kevin's songs were played on 6 more commercials than movies, and his total earnings on the royalties from all commercials and movies was $900.
(4,10) because there are 2 points with an x value of 9, 2 points with a y value of 5, and there should be 2 with an x value of 4, and 2 with a y value of 10.
