Lewa's hiking backpack weighs 5 pounds less than 1/2 the weight of alani's hiking backpack write an expression to describe the weight of lewa's backpack how many pounds does lewa's backpack weigh if alani's backpack weighs 36 pounds

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?