12:32 PM Wed Jan 12 Alexa is a songwriter who collects royalties on her songs whenever they are played in a commercial or a movie. Alexa will earn \( \$ 20 \) every time one of her songs is played in a commercial and she will earn \( \$ 110 \) every time one of her songs is played in a movie. Alexa earned a total of \( \$ 340 \) in royalties on \( 8 \) commercials and movies. Write a system of equations that could be used to determine the number of commercials and the number of movies on which system.

Pregunta

Answer

x be the total no of commercials , y be the total no of movies , hence

20x + 110y = 340 , x + y = 8