Sally made 4 out of 5 free throws in her first game, 5 out of 8 free throws in the second game, and 5 out of 7 free throws in her third game. what is the probability of sally making her first free throws in the fourth game? a: 1/2 b: 7/10 c: 2/3 d: 3/4

Hector and alex traded video games. alex gave hector one fourth of his video games in exchange for 6 video games. then he sold 3 video games and gave 2 video games to his brother. alex ended up with 16 video games. how many video games did alex have when he started?