he weighed a normal 8 lb at birth and appeared normal

He weighed a normal 8 lb at birth and appeared normal in size but within a few months it was clear that he was growing rapidly.at just six months old the soon-to-be-giant already weighed 30 lb.how much did he weigh when he was six month old?1)11 кг 2)13.6 кг 3)25.3 кг