Pedro and his little brother invented a game with coins. each throws his coins to a cup and receives points for each coin that falls into the cup. peter starts with 12 points, his little brother starts with 29 points. peter gets 3 points for each successful shot, and his brother, since he is younger, receives 2 points for each successful shot. over time, the brothers will have a score tied in the game. how many additional shots does each brother have to make? how many points will they have when they are tied?