Answer:
$28.05
Step-by-step explanation:
Since the sale price is 18% off, this means we pay 100-18 = 82% of the original price. 82% = 82/100 = 0.82; using x as the original price, we can set up the equation
0.82x = 23
Divide both sides by 0.82:
0.82x/0.82 = 23/0.82
x = 28.05