What is 30% of 50?

Use our percentage calculator to easily find what 30 percent of 50 is. Calculate percentages fast with this simple percent calculator tool.

Result

15

30% of 50 = 15

Mathematical Formula

30%×50=50×30100=1530\% \times 50 = 50 \times \frac{30}{100} = 15

Detailed Explanation

Step 1: Understanding Percentages

30% means 30 parts out of 100. To convert a percentage to a decimal, we divide by 100: 30% = 0.3

Step 2: Multiplication

We multiply our number (50) by the decimal form of the percentage (0.3):
50 × 0.3 = 15

Step 3: Real-World Context

This means that 30% or 0.3 of 50 is 15. In other words, if you take 30% of 50, you get 15.

Common Use Cases

Discounts

When a $50 product has a 30% discount, you save $15 and pay $35.

Tips

If you want to leave a 30% tip on a $50 meal, you would leave $15 as the tip.

Taxes

When 30% sales tax is added to a $50 purchase, $15 is added for tax, making the total $65.

Proportions

If 30% of students in a class are boys and there are 50 students total, that means there are 15 boys.

Finance

If you invest $50 and earn 30% annual interest, you'll receive $15 in interest for the year.

Education

If a student answers 30% of questions correctly on a 50-question test, they answered 15 questions correctly.

Business

If 30% of your monthly revenue goes to operating expenses and you earn $50, you spend $15 on operations.

Healthcare

If a hospital reduces infections by 30% from 50 cases monthly, they now have only 35 cases per month.

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