Which statement best explains why the sum of the areas of the two white squares in figure 2 is the same as the area of the white square in figure 1

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?