If this greater or less than

Suppose a store sells an average of 80 cases of soda per day. assume that each case contains 24 cans of soda and that the store is open 10 hours per day. find the average number of soda that the store sells per hour.

How is this equation completed? i cannot find any examples in the book.

Given: prst square pmkd is a square pr = a, pd = a find the area of pmct.