discount = price times % off
discount = 22.50 x 0.20
discount = $4.50
18%.
820 - 1000 = -180 (Ignore minus sign)
180/1000 = 0.18
18 × 100 = 18
Add a percentage sign =18%
C is the best option and compare it with the equation of circle to get values
2/3x - 36 ≤ 22
+36 +36
----------------------
2/3x ≤ 58
2x ≤ 174
x ≤ 87
Hope this helps!
