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Mathematics, 11.02.2021 21:10 tynitenaire

A music service charges a monthly fee plus a fixed amount for each download. One month, Ana downloads 12 songs and pays $15.67. The next month, she downloads 15 songs and pays $18.34. At what rate does her bill change with respect to the number of downloads?

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A music service charges a monthly fee plus a fixed amount for each download. One month, Ana download...
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