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
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.