Alberto Earns a Weekly Salary of $500 Plus 20% of His

Multiple Choice

Alberto earns a weekly salary of $500 plus 20% of his sales volume. Write an equation describing the total weekly earnings for x dollars in sales.

A) $y = 20 x + 500$
B) $y = 500 x + 20$
C) $y = 0.2 x + 500$
D) $y = - 20 x + 500$
E) $y = 0.02 x + 500$