10 ×10 × 20 + 30 × 10 = 500 Which is true?

20 × 30 + 10 × 10 = 700

20 × 20 + 30 × 20 = 1,000

Avideo game enthusiast saved $750 to spend on a video game player and games. the player costs $400. the games costs $49 each. at most how many games can this enthusiast buy along the player