What is 50% of 15?

Use our percentage calculator to easily find what 50 percent of 15 is. Calculate percentages fast with this simple percent calculator tool.

Result

7.5

50% of 15 = 7.5

Mathematical Formula

50%×15=15×50100=7.550\% \times 15 = 15 \times \frac{50}{100} = 7.5

Detailed Explanation

Step 1: Understanding Percentages

50% means 50 parts out of 100. To convert a percentage to a decimal, we divide by 100: 50% = 0.5

Step 2: Multiplication

We multiply our number (15) by the decimal form of the percentage (0.5):
15 × 0.5 = 7.5

Step 3: Real-World Context

This means that 50% or 0.5 of 15 is 7.5. In other words, if you take 50% of 15, you get 7.5.

Common Use Cases

Discounts

When a $15 product has a 50% discount, you save $7.5 and pay $7.5.

Tips

If you want to leave a 50% tip on a $15 meal, you would leave $7.5 as the tip.

Taxes

When 50% sales tax is added to a $15 purchase, $7.5 is added for tax, making the total $22.5.

Proportions

If 50% of students in a class are boys and there are 15 students total, that means there are 8 boys.

Finance

If you invest $15 and earn 50% annual interest, you'll receive $7.5 in interest for the year.

Education

If a student answers 50% of questions correctly on a 15-question test, they answered 8 questions correctly.

Business

If 50% of your monthly revenue goes to operating expenses and you earn $15, you spend $7.5 on operations.

Healthcare

If a hospital reduces infections by 50% from 15 cases monthly, they now have only 8 cases per month.

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