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What is 5% of 400?

5% of 400 = 20
400 × 5/100 = 20

How to calculate 5% of 400

Multiply 400 by 5 and divide by 100: 400 × 5 ÷ 100 = 20. Equivalent shortcut: 400 × 0.05 = 20.

As a discount

A 5% discount on a 400 purchase saves you 20, so you pay 380. Stacking more discounts? Use the Discount & Tax Calculator — stacked discounts multiply, they don't add.

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