80% of 100 is 80. To calculate this: 1) Convert 80% to decimal (80/100 = 0.8), 2) Multiply by 100 to get 80.

What is 80% of 100?

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Result

80% of 100 = 80

80\% \times 100 = 100 \times \frac{80}{100} = 80

80% means 80 parts out of 100. To convert a percentage to a decimal, we divide by 100: 80% = 0.8

We multiply our number (100) by the decimal form of the percentage (0.8):
100 × 0.8 = 80

This means that 80% or 0.8 of 100 is 80. In other words, if you take 80% of 100, you get 80.

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

If you want to leave a 80% tip on a $100 meal, you would leave $80 as the tip.

When 80% sales tax is added to a $100 purchase, $80 is added for tax, making the total $180.

If 80% of students in a class are boys and there are 100 students total, that means there are 80 boys.

If you invest $100 and earn 80% annual interest, you'll receive $80 in interest for the year.

If a student answers 80% of questions correctly on a 100-question test, they answered 80 questions correctly.

If 80% of your monthly revenue goes to operating expenses and you earn $100, you spend $80 on operations.

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

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