3 packs of dvds can be bought with 33 dollars. How much does each pack cost?
There are three packs of DVDs. 
Each pack costs the same amount. 
The total cost of the three packs is 33 dollars. 

That means that if we take the total cost and divide it by the number of packs, we will find out how much each pack costs. 

33 divided by 3 equals 11. 

Each pack of DVDs costs 11 dollars.