Answer:
Number of hamburgers sold = 225
Number of cheese burgers sold = 300
Explanation:
Let the number of hamburgers sold be x.
Number of cheese burgers sold =x + 75
x + x+75 = 525
2x = 525 - 75
2x = 450
x = 450/2
x = 225
Number of hamburgers sold = x = 225
Number of cheese burgers sold = 225+ 75 = 300