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 14

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Solving a System of Linear Equations in Two Variables - Problem 13

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 tip for solving a coin word problem is to write two equations: one that represents the number of coins only, and the second that represents the number of coins multiplied by their value. Another tip is to multiply the equation that has decimals by 100 so that all of the decimals will become integers (just make sure you're multiplying ALL terms by 100.) Be wary of tricky language like "2 more than" or "twice as many as"- you will get better at decoding this language with practice.

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