Answer:
635 (635.0293 not rounded)
This question is based on greatest common multiple.
Answer:
Cynthia is right that Andy made an error.
Step-by-step explanation:
As per Andy, action dvds are = 
And comedy dvd's are = 
So, in total these become = 
=
= 
This is not 4/9 as per Andy.
Answer:
4w+120.
Step-by-step explanation:
She downloads 4 songs for every week which is represented as 4w, and she started with 120 songs which is represented as +120.