Question: 1. Auto Zone has a special on fuel filters. Normally, the price of one filter is $15, but with this sale, you can purchase two filters for only $27. How much can you save by purchasing two filters at the sale price?
2. Industrialized nations have 793 TV sets per thousand people. If this is nine times as many TVs per thousand people as there are in the underdeveloped nations, what is the number of TVs per thousand people in the underdeveloped nations?