Answered

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?