In 30 mintues / bring prize home

Is that correct to write "in 30 mintues"?

Is that correct to write "who will bring prize home"?

But now, about dozens of hackers who met last week at the College of Management and they tried to penetrate the cyber defense system and had in front of their eyes, a prize of 100,000$ for those who would succeed. How did it end? There you go. In 30 minutes, half an hour left to the Hackers challenge. Let's see who will bring 100,000 home.