Summary Working
1. Start by reviewing the problem and identifying knowns and unknowns.
2. Write down all relevant formulas or equations connected to the problem.
3. Substitute the known values into the formulas.
4. Carry out algebraic simplifications step-by-step.
5. Solve for the unknown quantity clearly.
6. Verify unit consistency and answer correctness.
7. Box or highlight the final answer for clarity.