Step-by-step arithmetic breakdown
To calculate 33% of 40, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 33 / 100 = 0.3300
2. Multiply by base number: 0.3300 × 40
3. Exact result: 13.2
Everyday real-world applications
- Retail & Discounts: If a product priced at $40 is discounted by 33%, your savings equal $13.2.
- Tax & Tips: A 33% service tip on a $40 restaurant bill equals exactly $13.2.
- Financial Yields: An investment yielding 33% on a principal of $40 produces $13.2 in interest.