1. **Problem:** Convert 16 km to miles using the flow chart. 2. **Formula:** The flow chart shows the conversion steps as multiplication and division operations. 3. **Given:** For 16 km, the example calculation is $2 \times 9 = 18$ miles. 4. **Step-by-step:** - Multiply 2 by 9 to get 18 miles. 5. **Explanation:** The flow chart uses multiplication to convert kilometers to miles by applying a factor. 6. **Final answer:** 16 km corresponds to 18 miles according to the flow chart. Note: The user provided multiple problems, but per instructions, only the first problem is solved here.