Step-by-step arithmetic breakdown
To calculate 25% of 120, convert the percentage into a decimal by dividing by 100, then multiply by the whole amount:
1. Convert percentage to fraction: 25 / 100 = 0.2500
2. Multiply by base number: 0.2500 × 120
3. Exact result: 30
Everyday real-world applications
- Retail & Discounts: If a product priced at $120 is discounted by 25%, your savings equal $30.
- Tax & Tips: A 25% service tip on a $120 restaurant bill equals exactly $30.
- Financial Yields: An investment yielding 25% on a principal of $120 produces $30 in interest.