The answer is b because it has the 3 with 6 corresponding.<span />

. Subtract 10x from both sides.

. Divide by 5 on both sides. x=20. So you would need to buy 20 movies.
What does part a mean i dont understand
Answer:
I think you need to put more info
Step-by-step explanation:
For number 5 you are just multiplying by 4.5