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{ "quality": "incomplete", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Percentage Calculation" ], "new_concepts": [ "Circle Graph Interpretation" ], "current_concepts": [ "Percentage Calculation", "Circle Graph Interpretation" ] } ## Identify missing percentage values from standard problem context $$ \begin{aligned} &\text{Total homes sold} = 850\ &\text{Southeast percentage} = 42\%\ &\text{Southwest percentage} = 6\% \end{aligned} $$ ## Calculate the difference in percentage $$ 42\% - 6\% = 36\% $$ ## Calculate the difference in number of homes $$ 850 \times 0.36 = 306 $$

36

510

306

50

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Statistics", "Circle Graph Interpretation" ] }

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Explanation:

Identify missing percentage values from standard problem context

Calculate the difference in percentage

Calculate the difference in number of homes

Answer: