Variables in the Answer Choices—Part III: Tips for the Input-Output Approach

by GMAT Prep Now on September 3rd, 2015

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Posted in

• Algebra
• GMAT Math
• Problem Solving
• Translation
• Videos
• Word Problems

In the last two articles (click here to see Part I and Part II), we examined two strategies for answering questions with variables in the answer choices:

• Algebraic approach
• Input-output approach

In this video, we examine some useful tips to consider when using the input-output approach.