1. **State the problem:** Find 8.5% of 48. 2. **Formula:** To find a percentage of a number, use the formula: $$\text{Percentage of a number} = \frac{\text{percentage}}{100} \times \text{number}$$ 3. **Apply the formula:** $$8.5\% \text{ of } 48 = \frac{8.5}{100} \times 48$$ 4. **Calculate the multiplication:** $$= 0.085 \times 48$$ 5. **Perform the multiplication:** $$= 4.08$$ 6. **Answer:** 8.5% of 48 is **4.08**.