The correct answer is "ganaron". Ayer, Roberto y Carlos <u>ganaron </u>12.000 pesos. In English will be: Yesterday, Roberto and Carlos won 12.000 pesos.
To help you out a little bit more, please check the following:
I think it is true I am Indian and want to be like every other 13 girl but not. I am not very different though because my grandparents parents parents are from that place so I not. but be grateful and later on you will appreciate it