What are some numbers that equal pie

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?

Solve for x: 5/3 x = 20/21 it's fraction. remember to simplify your fraction

Aramp rises 4 feet over a distance of 10 feet. what is the length of the ramp?