Answer:
Whichever graph that shows 20 CDs sold
Explanation:
x = # of CDs sold
Equation: $500 = $12.50x + $250
Subtract $250 from both sides, you should be left with $250 = $12.50x
Then, you have to divide $12.50 from both sides:
You should be left with x = 20, Bruce sold 20 CDs after his show to earn a total of $500 for the night