Question 1

How do I calculate a percentage discount?

Accepted Answer

Discount Amount = Original Price × (Discount % / 100). Discounted Price = Original Price - Discount Amount. For example, 20% off £50 = £10 discount, final price £40.

Question 2

What is the difference between a discount and a sale price?

Accepted Answer

The discount is the amount saved, while the sale price is what you actually pay. Sale Price = Original Price × (1 - Discount Rate). Both terms are related but describe different things.

Question 3

How do stacked discounts work?

Accepted Answer

Stacked discounts apply sequentially, not additively. A 20% discount followed by a 10% discount gives 28% off total, not 30%, because the second discount applies to the already-reduced price.

Question 4

How do I calculate the original price from a discounted price?

Accepted Answer

Original Price = Discounted Price / (1 - Discount Rate). For example, if you paid £80 after a 20% discount, the original price was £80 / 0.8 = £100.

DISCOUNTCALCULATOR

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