Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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Solving a System of Linear Equations in Two Variables - Problem 12

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Solving a System of Linear Equations in Two Variables - Problem 11

Alissa Fong
Alissa Fong

MA, Stanford University
Teaching in the San Francisco Bay Area

Alissa is currently a teacher in the San Francisco Bay Area and Brightstorm users love her clear, concise explanations of tough concepts

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One strategy for approaching mixture problems is to write two equations: one that represents amount of item only, and the second that represents amount times cost of each item. From there, you can choose to solve by elimination or substitution. Be sure to clearly define what your variables represent so you can interpret your solution in the problem context.

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