1. **State the problem:** We are given that 5 pencils cost 25. We need to find the cost of 12 pencils. 2. **Find the cost of one pencil:** $$\text{Cost of 1 pencil} = \frac{25}{5} = 5$$ 3. **Calculate the cost of 12 pencils:** $$\text{Cost of 12 pencils} = 12 \times 5 = 60$$ 4. **Answer:** The cost of 12 pencils is 60.