The final step of the strategy is to answer the question with a complete:
ASentence
BSandwich
CSkeleton
DSpectacle
Answer & Solution
Correct answer: A. Sentence
1. Solving the equation gives a number, not an answer.
2. The question asked in words deserves a reply in words.
3. Answer the question with a complete sentence.
4. So the last step is a written sentence.
_Source: OpenStax Elementary Algebra 2e (CC BY 4.0), Ch 3 'Math Models', sections 3.1-3.5_
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