Question

the cost price of an article is 80% of its selling price. what percent is the selling price that of its cost price?

Answer 1

Answer:

Selling price is 125% of the cost price

Step-by-step explanation:

Let C be cost price and S be selling price.

C = 80% of S = 80% × S = 0.8 × S

=>  S = C / 0.8 = 1.25 × C = 125% × C = 125% of C