20% of 100 is 20. To calculate this: 1) Convert 20% to decimal (20/100 = 0.2), 2) Multiply by 100 to get 20.

What is 20% of 100?

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Result

20% of 100 = 20

20\% \times 100 = 100 \times \frac{20}{100} = 20

20% means 20 parts out of 100. To convert a percentage to a decimal, we divide by 100: 20% = 0.2

We multiply our number (100) by the decimal form of the percentage (0.2):
100 × 0.2 = 20

This means that 20% or 0.2 of 100 is 20. In other words, if you take 20% of 100, you get 20.

When a $100 product has a 20% discount, you save $20 and pay $80.

If you want to leave a 20% tip on a $100 meal, you would leave $20 as the tip.

When 20% sales tax is added to a $100 purchase, $20 is added for tax, making the total $120.

If 20% of students in a class are boys and there are 100 students total, that means there are 20 boys.

If you invest $100 and earn 20% annual interest, you'll receive $20 in interest for the year.

If a student answers 20% of questions correctly on a 100-question test, they answered 20 questions correctly.

If 20% of your monthly revenue goes to operating expenses and you earn $100, you spend $20 on operations.

If a hospital reduces infections by 20% from 100 cases monthly, they now have only 80 cases per month.

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