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20
20% × 100 = 20
20 is what % of 100?
20%
20 ÷ 100 × 100
100 is what % of 20?
500%
100 ÷ 20 × 100
Discount (20% off)
80
You save 20
Tip (20%)
20
Total with tip: 120
Tax (20%)
20
Total with tax: 120
| Percent | Result |
|---|---|
| 5% of 100 | 5 |
| 10% of 100 | 10 |
| 15% of 100 | 15 |
| 20% of 100 | 20 |
| 25% of 100 | 25 |
| 30% of 100 | 30 |
| 50% of 100 | 50 |
20% of 100 is 20. To calculate, multiply 100 by 20 and divide by 100: 100 × 20 ÷ 100 = 20.
To calculate 20% of 100: convert 20% to a decimal (0.2), then multiply by 100. So 0.2 × 100 = 20.
20% off 100 means you save 20, so the discounted price is 80. This is common when calculating sale prices or discounts.
A 20% tip on a 100 bill is 20, making your total 120.