The Stanton Athletic Club Twilight Bicycle Race fees are $25 per race for USCF licensed riders and $15 for junior racers. The total number of racers was 321. The income from the fees was $6935 a) What are the variables in this situation and what does each one represent? (2 points)

b) Write a system of equations to determine the number of racers of each type. (3 points)

c) Solve the system of equations using a graph. Upload your graph. (5 points)