Respostas

2014-06-06T08:10:50-03:00
25=100%
32=x
25*x=32*100
25x=3200
x= \frac{3200}{25}
x=128
128-100% (representa 25,00) = 28% de aumento
2014-06-06T09:03:13-03:00
32-25=7
25---100
 7---x
25x=700
x=700/25
x=28
28% de aumento