Answer:
25%
Step-by-step explanation:
Given
Original price of jean = $20
New price = $15
Disount price = $20 - $15
Discount price = $5
Discount percent = Discount price /Original price * 100%
Discount percent = 5/20 * 100
Discount percent = 1/4 * 100
Discount percent = 25%
Hence the discount percentage is 25%