Nann

2021-08-12

At a flea market, Joe bought some DVDs and CDs.

The CDs sold for $5.00 each, and the DVDs sold for $3.00 each.

If the total cost of the items was $73.00 and the total number of products sold was 17, find how many of each item Joe bought.

The CDs sold for $5.00 each, and the DVDs sold for $3.00 each.

If the total cost of the items was $73.00 and the total number of products sold was 17, find how many of each item Joe bought.

Bentley Leach

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