Step-by-step arithmetic breakdown
To calculate 12% of 400, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 12 / 100 = 0.1200
2. Multiply by base number: 0.1200 × 400
3. Exact result: 48
Everyday real-world applications
- Retail & Discounts: If a product priced at $400 is discounted by 12%, your savings equal $48.
- Tax & Tips: A 12% service tip on a $400 restaurant bill equals exactly $48.
- Financial Yields: An investment yielding 12% on a principal of $400 produces $48 in interest.