Respostas

2014-05-07T16:05:26-03:00
Reduziu 20% pois:
25 X 20% = 5

Ou seja 25 - 5 = 20
2 3 2
2014-05-07T16:06:07-03:00
25=100
5=x
25x=100.5=500
x=500/25
x=20

R= 20%
6 4 6