There are 117 staff members in your school. 1/3 of them are going away for the holiday. how many staff members are not traveling? this was the main question but i didnt get how to solve it.. (wasnt sure if subtraction was thr right way)

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?

Ibeg you to me 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?

What 620000 divided by 10 to the third power