At an arcade, the ratio of the number of games to the cost of the games is 2 to 6. which set of ordered pairs can be used to represent the relationship between the number of games and the cost of the games? (1, 1), (3, 3), (5, 5), (7, 7) (1, 3), (3, 9), (5, 15), (7, 21) (1, 2), (3, 6), (5, 10), (7, 14) (1, 4), (3, 12), (5, 20), (7, 28)