What is 5% of 40?

Use our percentage calculator to easily find what 5 percent of 40 is. Calculate percentages fast with this simple percent calculator tool.

Result

2

5% of 40 = 2

Mathematical Formula

5%×40=40×5100=25\% \times 40 = 40 \times \frac{5}{100} = 2

Detailed Explanation

Step 1: Understanding Percentages

5% means 5 parts out of 100. To convert a percentage to a decimal, we divide by 100: 5% = 0.05

Step 2: Multiplication

We multiply our number (40) by the decimal form of the percentage (0.05):
40 × 0.05 = 2

Step 3: Real-World Context

This means that 5% or 0.05 of 40 is 2. In other words, if you take 5% of 40, you get 2.

Common Use Cases

Discounts

When a $40 product has a 5% discount, you save $2 and pay $38.

Tips

If you want to leave a 5% tip on a $40 meal, you would leave $2 as the tip.

Taxes

When 5% sales tax is added to a $40 purchase, $2 is added for tax, making the total $42.

Proportions

If 5% of students in a class are boys and there are 40 students total, that means there are 2 boys.

Finance

If you invest $40 and earn 5% annual interest, you'll receive $2 in interest for the year.

Education

If a student answers 5% of questions correctly on a 40-question test, they answered 2 questions correctly.

Business

If 5% of your monthly revenue goes to operating expenses and you earn $40, you spend $2 on operations.

Healthcare

If a hospital reduces infections by 5% from 40 cases monthly, they now have only 38 cases per month.

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