Answer:
C
Step-by-step explanation:
Answer:
20 songs.
Step-by-step explanation:
we are given that, iTunes charges $5.00 to join and $0.75 per song.
Amazon has no fee to join and charges $1.00 per song.
Let x songs would you have to download (same number of downloads for each company) so that the prices are the same.
Then we can write

okay so you would go down to -8, then the slope would be 4/1 which means to go up four and then over one. then you have the line.
i hope this helps you!