Mathematics, 18.12.2020 02:50 idontknow1993

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.

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Kevin is a songwriter who collects royalties on his songs whenever they are played in a commercial o...