Question

the list price of a frock is Rs 220. A discount of 20percent is announced on sales. What is the amount of discount on it and its sale price?

Answer 1

discount = 20%
220 - 20% * 220
220 - 44 = 176

After discount the selling price will be rs 176

Answer 2

$\huge\tt{Required\:Answer:}$

Marked price is same as the list price.

20% discount means that on ₹ 100 ( MP), The discount is ₹ 20.

By unitary method :

On ₹ 1 the discount will be ₹ 20 / 100

The sale price = ( ₹ 220 - ₹44 ) or ₹ 176

Rehana founded the sale price like this :-

A discount of 20% means for a MP of ₹100 , discount is ₹ 20. Hence the sale price is ₹ 80.

Using unitary method, when MP is ₹ 100 , Sale price is ₹ 80.

When MP is ₹ 1 , sale price is ₹ 80 / 100.

Hence, when MP is ₹ 220, sale price

= 80 / 100 × 220 = ₹ 176