Answer:
Wallace paid $198 for item . 
Explanation:
As given
Wallace received a 28 percent discount on an item priced at $275.
 Cost after discount = price × (1 – discount percentage)
Price = 275 
Discount percentage =28% 
As the percentage written in the decimal form .
 

= 0.28 
Putting in the formula 
 Cost after discount = 275 × (1 – 0.28)
 = 275 × 0.72 
 = $198
Therefore Wallace paid $198 for item .