the past month, Teresa rented 6 video games and 1 DVD. The rental price for each video game was 2.40$. The rental price for the DVD was 3.90$. What is the total amount that Teresa spent on video game and DVD rentals in the past month?

Total amount spent on video game rentals = 6 games * $2.40/game = $14.40

Total amount spent on DVD rental = $3.90
Total amount spent on video game and DVD rentals = $14.40 + $3.90 = $18.30

Teresa spent a total of $18.30 on video game and DVD rentals in the past month.