How to find 75 percent of 20
"Percent" means per hundred, so 75% is the fraction 75/100, or 0.75 as a decimal. Taking 75 percent of 20 means multiplying 20 by that fraction:
75% of 20 = 20 x 75 / 100
= 1,500 / 100
= 15The same answer comes from the decimal form: 20 x 0.75 = 15. And because multiplication is commutative, 75% of 20 equals 20% of 75, which is sometimes the easier way to see it in your head.
Mental math shortcut
10% of 20 is 2 (move the decimal one place left), and 1% is 0.2. Build 75% from those pieces: 7 x 2 + 5 x 0.2 = 15.
Nearby percentages of 20
| Percent | Of 20 | 20 minus it | 20 plus it |
|---|---|---|---|
| 1% | 0.2 | 19.8 | 20.2 |
| 5% | 1 | 19 | 21 |
| 10% | 2 | 18 | 22 |
| 15% | 3 | 17 | 23 |
| 20% | 4 | 16 | 24 |
| 25% | 5 | 15 | 25 |
| 30% | 6 | 14 | 26 |
| 50% | 10 | 10 | 30 |
| 70% | 14 | 6 | 34 |
| 74% | 14.8 | 5.2 | 34.8 |
| 76% | 15.2 | 4.8 | 35.2 |
| 80% | 16 | 4 | 36 |
75 percent of other amounts
| Amount | 75% of it |
|---|---|
| 10 | 7.5 |
| 25 | 18.75 |
| 30 | 22.5 |
| 40 | 30 |
| 50 | 37.5 |
| 60 | 45 |
| 75 | 56.25 |
| 80 | 60 |
| 100 | 75 |
Where this comes up
A 75% discount on a 20 price takes off 15, leaving 5. A 75% tip or tax on 20 adds 15, for a total of 35. If 20 is a score out of a possible total, 75% of it is the share 15 represents. For percent change, reverse percentages, and "X is what percent of Y", use the full percentage calculator.