Tell whether the relationship is an inverse variation

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?

What is the area of the shaded sector?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25