Respuesta :

loss percentage = ( loss ×100) ÷ cost price

so, loss percentage = (100 × 100) ÷ 500= 20%

The answer is c. 25%

Explanation:

Original price (OP): $500
Selling price (SP): $400

Percentage loss:
= (OP - SP)/OP x 100%

= (500-400) / 400 x 100%

= 100/400 x 100%

= 1/4 x 100%

= 25%