jorge bought 16 CDS at a cost of $9 each. how many $12 CDS could he have brought for the amount he paid?
Jorge paid a total of $9 x 16 = $144 for the 16 CDs.
For $144, he could have bought $144 / $12 = 12 CDs at $12 each.
For $144, he could have bought $144 / $12 = 12 CDs at $12 each.