deon purchased $n$ notebooks. they were 4 dollars each. write an equation to represent the total cost $c$ that deon paid.

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{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "blank_filling_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Writing Two-Variable Equations" ], "new_concepts": [], "current_concepts": [ "Writing Two-Variable Equations", "Proportional Relationships" ] } ## Identify variables and rates $$ \begin{aligned} &\text{Number of notebooks} = n \ &\text{Cost per notebook} = 4 \ &\text{Total cost} = c \end{aligned} $$ ## Formulate the equation $$ c = 4n $$ Deon purchased $n$ notebooks. They were 4 dollars each. Write an equation to represent the total cost $c$ that Deon paid. $c = 4n$ { "subject": "Mathematics", "question_type": "Fill-in-the-blank", "knowledge_point": [ "Mathematics", "Algebra", "Writing Two-Variable Equations" ] }

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Identify variables and rates

Formulate the equation

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