A company sold a total of $640 in gift boxes. If the gift boxes cost $20 apiece, how many gift boxes did the company sell?

To find the number of gift boxes sold by the company, we need to divide the total sales amount by the cost per gift box.
Number of gift boxes sold = Total sales amount / Cost per gift box = $640 / $20
Dividing $640 by $20, we get:
Number of gift boxes sold = 32
Therefore, the company sold 32 gift boxes.