Help with this please need us ASAP

Ben bowled 124 and 188 in his first two games. what must he bowl in his third game to have an average of at least 160?

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?

Ineed with math stuff it involves graphs