PERCENT SOLVERWhat is 10 percent of 90?
Percentage Calculator
Result: 9
Step-by-Step Calculation
- Convert the percentage to a decimal: 10% = 10 ÷ 100 = 0.1
- Multiply the decimal by the number: 0.1 × 90 = 9
- Therefore, 10% of 90 is 9
How to Calculate Percentages
Understanding how to calculate percentages is an essential skill in many areas of life. Here's a general approach:
- Convert the percentage to a decimal by dividing by 100
- Multiply the decimal by the whole number
- The result is the percentage of the whole number
Similar Calculations
| Percentage | Number | Result |
|---|---|---|
| 5% | 90 | 4.5 |
| 15% | 90 | 13.5 |
| 20% | 90 | 18 |
Nearby Calculations
| Percentage | Number | Result |
|---|---|---|
| 10% | 80 | 8 |
| 10% | 85 | 8.5 |
| 10% | 95 | 9.5 |
| 10% | 100 | 10 |
Real-World Applications
Understanding 10% of 90 can be useful in various scenarios:
- Tipping: If your restaurant bill is $90, a 10% tip would be $9.
- Discounts: A 10% discount on a $90 item would save you $9, making the final price $81.
- Sales tax: If the sales tax rate is 10%, you'd pay $9 in tax on a $90 purchase.
Exploring the Numbers
The number 90
90 is an interesting number with various properties:
The percentage 10%
10% represents 10/100 of a whole:
Practice Problems
Test your percentage calculation skills:
- What is 10% of 135?
- What is 20% of 90?
- What percentage of 90 is 11.25?
(Answers are left as an exercise for the reader)
Understanding how to calculate 10% of 90 is just the beginning of mastering percentage calculations. By practicing with similar problems and exploring real-world applications, you can develop a strong intuition for percentages and their uses in everyday life.