1. **Problem:** What is 75% of 600? 2. **Formula:** To find a percentage of a number, use the formula: $$\text{Percentage of a number} = \frac{\text{percent}}{100} \times \text{number}$$ 3. **Step-by-step solution:** - Convert 75% to a decimal fraction: $$\frac{75}{100} = 0.75$$ - Multiply by 600: $$0.75 \times 600 = 450$$ 4. **Answer:** 75% of 600 is **450**.