What are the x values?

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

With this one. will mark brainliest

Determine the number of girls in a math class with 87 boys if there are 25 girls for every 75 boys