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Mathematics 13 Online
OpenStudy (anonymous):

digital downloads of new music releases cost $3.00 per song. digital downloads of older music cost $2.00 per song. Susies buys a total of 12 songs and spends $32.00. Represent the problem as a matrix equation. Let x be the number of new songs and y be the number of older sogns.

OpenStudy (anonymous):

@berrypicking did you ever get the answer to this?

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