Skilled2021-08-13Added 109 answers
Let x be the number of CDs bought and y be the number of DVDs bought.
The total number of products sold was 17:
The total cost of the items was $73.00:
Solve for y using (1) to obtain (3):
Substitute (3) to (2) and solve for x:
Solve for y using (3):
Joe bought 11 CDs and 6 DVDs