Final answer:
This appears to be a Mathematics question related to solving an equation or understanding a numerical relationship, typically addressed at the high school level.
Step-by-step explanation:
The subject of the question appears to be Mathematics, as it involves finding the value of an algebraic expression and understanding mathematical operations and concepts.
Although the question is not fully stated, the possible answers imply a numerical solution, which suggests a typical mathematics problem likely encountered in a high school setting. The question might relate to solving an equation, understanding ratios, or other numerical relationships common in mathematics curricula.
Without the full context, it's challenging to provide a specific answer, but the student is likely working on a problem within this academic discipline.