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Linear equations in two variables SAT question
Math · Algebra · Easy · Answer it here, explanation included.
A teacher is creating an assignment worth points. The assignment will consist of questions worth point and questions worth points. Which equation represents this situation, where represents the number of -point questions and represents the number of -point questions?
ExplanationShow
Choice D is correct. Since represents the number of -point questions and represents the number of -point questions, the assignment is worth a total of , or , points. Since the assignment is worth points, the equation represents this situation.
Choice A is incorrect and may result from conceptual errors.
Choice B is incorrect and may result from conceptual errors.
Choice C is incorrect and may result from conceptual errors.
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