Need the degrees of A B AND C

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?

Answer pls man im trying to get out of summer school

Which is the standard form for this number? (2 x 10) + (5 x 1) + (8 x 1 10,000 )