1. **Find 15% of 120.** The problem asks us to find 15% of 120. 2. The formula to find a percentage of a number is: $$\text{Percentage of a number} = \text{Total number} \times \frac{\text{Percentage}}{100}$$ 3. Convert 15% to decimal form by dividing by 100: $$15\% = \frac{15}{100} = 0.15$$ 4. Multiply 120 by 0.15: $$120 \times 0.15 = 18$$ 5. So, 15% of 120 is 18. **Final answer:** 18