In a game a player gets 15 points for a correct answer and loses 10 points for an incorrect answer the
expression 15 C -10 a represents the total for C correct and a incorrect answers how many points are scored
To find the total number of points scored, we need to subtract 10 points for each incorrect answer (-10a) and add 15 points for each correct answer (15C).
The expression 15C - 10a represents the total number of points scored.