Can anyone pls help if not its okay:)​

8. A) G x 3 = K
B) kabir earns 90

9.
A) M x 2 = G
B) M x 5 = F

10. I'm not sure what they mean by terms of x. I'm assuming they what arsenal represented as (x) so...

F(x) = C(3) or something like that not too sure so check it out.

I'll answer the rest in a bit