Mathematics for IGCSE & O level - Percentages (Section 2 - No. 15)

Which of the following are correct ways to calculate a discount on a product?

Multiply the original price by the discount percentage.

Subtract the discount amount from the original price.

Multiply the original price by (1 - discount percentage).

Add the discount percentage to the original price.

A discount is subtracted from the original price. The method multiplies by the complement.