Respostas

2013-11-24T14:17:00-02:00
69 -100
 x - 250

100x=17250
x= 17250/100
x=172,50
250% de 69 é R$172,50


2013-11-24T14:45:21-02:00
69 x 250/100 
= 17250/100 = 172,5