What is 9% of 80? = 7.2
9 percent of 80 is 7.2. See the step-by-step solution, formula and worked example for how to calculate 9% of 80.
9% of 80 = 7.2
What is % of
Solution: What is 9 percent of 80?
9% × 80 =
(9 ÷ 100) × 80 =
(9 × 80) ÷ 100 =
720 ÷ 100 = 7.2
(9 ÷ 100) × 80 =
(9 × 80) ÷ 100 =
720 ÷ 100 = 7.2
Step-by-step explanation
- "Percent" means "per hundred", so 9% = 9 ÷ 100 = 0.09.
- "Of" means multiply, so we calculate 0.09 × 80.
- 0.09 × 80 = 7.2.
- So 9 percent of 80 is 7.2.
Good to know
Another way to check this: 1% of 80 is 0.8, and 9% is just 9 of those, so 9 × 0.8 = 7.2. Percentages like this come up everywhere — working out a 9% deposit, tip, tax or commission on 80, for example.
Quick reference: percentages of 80
| 1% of 80 | 0.8 |
| 5% of 80 | 4 |
| 10% of 80 | 8 |
| 15% of 80 | 12 |
| 20% of 80 | 16 |
| 25% of 80 | 20 |
| 50% of 80 | 40 |
| 75% of 80 | 60 |
| 100% of 80 | 80 |
Frequently asked questions
What is 9 percent of 80?
9% of 80 is 7.2.
How do you calculate 9% of 80?
Divide 9 by 100 to get 0.09, then multiply by 80 to get 7.2.
What is 80 minus 9%?
80 − 7.2 = 72.8 (see 9% off 80).
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