Mathematics, 18.08.2019 23:30, hanglenn1

natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. natalie sold 45 dvds last year. she earned a total of $780 last year selling cds and dvds.write an equation that can be used to determine the number of cds [c] natalie sold last year.how many cd's did natalie sell last year?

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natalie earns $2.50 for each cd she sells and $3.50 for each dvd she sells. natalie sold 45 dvds las...