can you give more detail?
868 is about 870, and 28 is about 30, so your expression would be 870 divided by 30 which would be 29 and the actual answer is 31, so your estimate would be close to your actual answer.
Answer:
-15
Step-by-step explanation:
If you look up the definition of a medium, it is a tool. In the case of television, it is a tool for spreading information. Much like the internet.