Step-by-step arithmetic breakdown
To calculate 40% of 25, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 40 / 100 = 0.4000
2. Multiply by base number: 0.4000 × 25
3. Exact result: 10
Everyday real-world applications
- Retail & Discounts: If a product priced at $25 is discounted by 40%, your savings equal $10.
- Tax & Tips: A 40% service tip on a $25 restaurant bill equals exactly $10.
- Financial Yields: An investment yielding 40% on a principal of $25 produces $10 in interest.