Step-by-step arithmetic breakdown
To calculate 30% of 25, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 30 / 100 = 0.3000
2. Multiply by base number: 0.3000 × 25
3. Exact result: 7.5
Everyday real-world applications
- Retail & Discounts: If a product priced at $25 is discounted by 30%, your savings equal $7.5.
- Tax & Tips: A 30% service tip on a $25 restaurant bill equals exactly $7.5.
- Financial Yields: An investment yielding 30% on a principal of $25 produces $7.5 in interest.