Find out the price of the model that interests you. Then divide.
8
Any VESA mount will work just great for a TV and most can be bought for under one hundred dollars.
i just want to say... if this is homework then you should do it yourself to learn.
TV guides can be bought from many high street retailers, both large and small. For example local supermarkets such as Asda, Tesco and Morrisons all stock TV guides.
If a dealer bought some TVs for 3500, then sold them for 5500, making 50 on each TV, then he had 40 TVs.
40
15680/280= 56 Television Sets
A panasonic plasma tv can be purchased at most big box retailaers such as walmart or target but also can be bought online at amazon or best buy. It will cost around 1000 dollars.
I bought it at HD TV & electronics Ltd.
Sylvania TVs can be purchased from many places. You can purchase them online from the Sylvania website or amazon. They can also be bought from target.
a flatscreen tv
You can download glee episodes for about 2-3 dollars at the iTunes store. I bought all of season 1 for 60 dollars. If you want to watch them without owning them, you can for free (with a subscription) on the Netflix website.