Ronald buys pizza cut into 12 different parts. he then cuts each part into 2 equal peices. if he eats 3 of these peices, what fraction of the pizza does he eat

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?