1. **Stating the problem:** Which expression is equivalent to $\frac{3}{5}$? 2. **Understanding the problem:** The fraction $\frac{3}{5}$ means 3 divided by 5. 3. **Reviewing the options:** - a. $3 \times 5 = 15$ - b. $3 + 5 = 8$ - c. $3 \div 5 = \frac{3}{5}$ - d. $3 - 5 = -2$ 4. **Conclusion:** The expression equivalent to $\frac{3}{5}$ is option c: $3 \div 5$. Final answer: $3 \div 5$