There are 1,020 marbles on a package used for games. There is the same number of marbles gor each game. There are 20 games. How many marbles are there per game?

To find the number of marbles per game, we need to divide the total number of marbles by the number of games.

Number of marbles per game = Total number of marbles / Number of games
Number of marbles per game = 1,020 marbles / 20 games
Number of marbles per game = 51 marbles

Therefore, there are 51 marbles per game.