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{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Coin Values", "Addition" ], "new_concepts": [], "current_concepts": [ "Coin Values", "Addition", "Counting and Cardinality" ] } ## Identify and count each type of coin $$ \begin{aligned} &\text{Quarters (25¢): } 19 \text{ coins} \ &\text{Dimes (10¢): } 2 \text{ coins} \ &\text{Nickels (5¢): } 2 \text{ coins} \ &\text{Pennies (1¢): } 0 \text{ coins} \end{aligned} $$ ## Calculate the total value in cents $$ \begin{aligned} \text{Total} &= (19 \times 25) + (2 \times 10) + (2 \times 5) \ &= 475 + 20 + 10 \ &= 505\text{ cents} \end{aligned} $$ 505 cents { "subject": "Mathematics", "question_type": "Free Response", "knowledge_point": [ "Mathematics", "Algebra", "Coin Values" ] }

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Identify and count each type of coin

Calculate the total value in cents

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