Answer:
Discount price = Original price × 0.15
Option 3 is correct.
Step-by-step explanation:
The pizza shop offers a 15 percent discount for veterans and senior citizens.
Let original price be O and discount price be D
Discount percentage = 15%
Discount price = Original price × 15%
now change % sign to decimal
So, 15% = 0.15
Discount price = Original price × 0.15
Hence, The correct expression is "Discount price = Original price × 0.15"