1. **Problem Statement:** Determine the cost for Nancy to have Saxony carpeting installed in all three bedrooms, given the cost is $7.49 per square foot. 2. **Formula:** Total cost = Area (in square feet) \times Cost per square foot 3. **Important:** We need the total area of the three bedrooms to calculate the cost. Since the problem does not provide the area, we cannot compute the exact cost without it. 4. **Explanation:** If the total area of the three bedrooms is $A$ square feet, then the cost is calculated as: $$\text{Cost} = A \times 7.49$$ 5. **Summary:** To find the cost, multiply the total area of the bedrooms by 7.49. Since the area is not given, the problem cannot be solved further without additional information.