What is 20% of 400?
80 — to find 20% of 400, you multiply 400 by 20 and divide by 100. This is one of the most common percentage calculations, frequently used for figuring out taxes, discounts, commissions, and tips.
Percentage calculations are essential in finance, retail, academics, and daily life. Whether you are calculating a sales commission, figuring out a test score, or determining how much to leave as a tip, understanding percentages saves time and prevents errors.
Below is the step-by-step calculation used to determine the result.
Answer
80
400 × 20/100 = 80
Convert percentage to decimal
20% = 0.20
Multiply
0.20 × 400 = 80
Step-by-Step Solution
Convert percentage to decimal: 20% = 0.20
Multiply: 0.20 × 400 = 80
Therefore, 20% of 400 is 80
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