Respostas

2014-08-06T20:43:01-03:00
X.3/7= 195.4/5 
3/7 ----> R$195,00
4/5-----> x
x= 780/5 / 3/7 

x= 156 / 3/7 

x=156 . 7/3 

x=1092/3 

x=364 reais