You need to include the image of the question it doesn’t make sense if
Answer:
B
Step-by-step explanation:
It just is
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.
I would say the simplified form would be 20×10^-7
Y-1=10
+1. +1
So y = 11
Hope that helps