What is the name of the transformation in which each point on a figure is turend through a given angle and direction around a given point

How do you solve a question like this?

Which number line represents the solution set for the inequality -1/2x> 24?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made. determine an equation to model his situation?