Respostas

2014-08-10T17:44:50-03:00
50% de 600= 600*50/100=300
30% de 900=900*30/100=270
25% de 440=440*25/100=110
100% de 879=879*100/100=879
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2014-08-10T17:46:46-03:00
 50  x 600 =300
100

 30  x 900 = 270
100

 25 
x 440 = 110
100

100
x 879 = 879
100
1 5 1