Question: Hector bought $25.05$ pounds of potatoes and $3.59$ pounds of carrots. How many pounds of vegetables did he buy in all?
1. **State the problem:** We need to find the total weight of vegetables Hector bought by adding the weight of potatoes and carrots.
2. **Formula:** Total weight = weight of potatoes + weight of carrots
3. **Substitute the values:**
$$\text{Total weight} = 25.05 + 3.59$$
4. **Calculate the sum:**
$$25.05 + 3.59 = 28.64$$
5. **Answer:** Hector bought a total of **28.64 pounds** of vegetables.