What is 40% of 20?

40% of 20 = 8

How to work it out

1. Convert the percentage to a decimal: 40 ÷ 100 = 0.4
2. Multiply by the number: 0.4 × 20 = 8

20 increased by 40% is 28; decreased by 40% it is 12 (useful for discounts).

Calculate any percentage

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