a) 12%
b) 15%
c) 30%
d) 24%
![A 12 B 15 C 30 D 24 class=](https://pt-static.z-dn.net/files/d27/b62211491f85e7d63af7a10b2c1f8f2b.jpg)
Resposta:
P = 20/50 * 30/50
P=2/5 * 3/5
P=6/25 =0,24 ou 24%