Respuesta :

1). 2/5 = 0.4
2). 0.65 = 13/20
3). 18/25 = 0.72
4). 9/20 = 0.45
5). 0.5 = 1/2
6). 0.20 = 1/5
7). 3/25 = 0.12
8). 3/4 = 0.75 
9). 0.6 = 3/5 
** I can't see #10, but I can do it for you if you comment it to me.

I hope this helps you.