Violin and dance lesson
Each week, Nina takes a violin lesson and a dance lesson. The dance lesson costs ⅔ as much as the violin lesson, and the combined cost is $75. Which systems of equations could be used to find d, the cost of the dance lesson in dollars, and v, the cost of the violin lesson in dollars? Find d and v.
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algebranumbersUnits of physical quantitiesGrade of the word problem
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