Answer:
Its either C. or D.
Step-by-step explanation:
Answer: There are two dogs for every three cats. That means there are 2/3 as many dogs as cats
Step-by-step explanation: I don't really know i'm just using my small brain. Sorry if it is wrong.
6 songs
The way to find this answer is to divide 18 by 3, which is six, which means that after every six songs a commercial is played.
Hope this was helpful and that I explained it correctly.