Step-by-step arithmetic breakdown
To calculate 75% of 40, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 75 / 100 = 0.7500
2. Multiply by base number: 0.7500 × 40
3. Exact result: 30
Everyday real-world applications
- Retail & Discounts: If a product priced at $40 is discounted by 75%, your savings equal $30.
- Tax & Tips: A 75% service tip on a $40 restaurant bill equals exactly $30.
- Financial Yields: An investment yielding 75% on a principal of $40 produces $30 in interest.