PERCENT SOLVERWhat is 50 percent of 30?
Percentage Calculator
Result: 15
Step-by-Step Calculation
- Convert the percentage to a decimal: 50% = 50 ÷ 100 = 0.5
- Multiply the decimal by the number: 0.5 × 30 = 15
- Therefore, 50% of 30 is 15
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 |
|---|---|---|
| 40% | 30 | 12 |
| 45% | 30 | 13.5 |
| 55% | 30 | 16.5 |
| 60% | 30 | 18 |
Nearby Calculations
| Percentage | Number | Result |
|---|---|---|
| 50% | 20 | 10 |
| 50% | 25 | 12.5 |
| 50% | 35 | 17.5 |
| 50% | 40 | 20 |
Real-World Applications
Understanding 50% of 30 can be useful in various scenarios:
- Tipping: If your restaurant bill is $30, a 50% tip would be $15.
- Discounts: A 50% discount on a $30 item would save you $15, making the final price $15.
- Sales tax: If the sales tax rate is 50%, you'd pay $15 in tax on a $30 purchase.
Exploring the Numbers
The number 30
30 is an interesting number with various properties:
The percentage 50%
50% represents 50/100 of a whole:
Practice Problems
Test your percentage calculation skills:
- What is 50% of 45?
- What is 100% of 30?
- What percentage of 30 is 18.75?
(Answers are left as an exercise for the reader)
Understanding how to calculate 50% of 30 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.