Respostas

2013-10-10T15:27:07-03:00
Bronze = x
Prata = 2x
ouro = 2x + 11

x + 2x + 2x + 11 = 71
5x + 11 = 71
5x = 71 - 11
5x = 60
x = 60 / 5
x = 12

Bronze = 12
Prata = 24
Ouro = 35
Resposta: 35 medalhas de ouro.
2 3 2