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A new movie can be downloaded for $8 per movie. An older movie can be downloaded for $3 per movie. Quinn buys a total of 7 movies and spends $41.

Adefine your variables. Write the system of equations and represent it as a matrix equation.

Buse matrices to solve the equation by hand

Verified Answer :

Nirina7

let be x the number of new movie, and y the older,
the matrix according to the problem is AZ=B, look at the attached file

View image Nirina7

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