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Archive | Algebra

GMAT Plugging In Strategy: Always Start with Answer Choice C

Learn this powerful math trick for GMAT Problem Solving questions.  First, try these two practice GMAT Quantitative section Problem Solving questions. 1) Bert left the house with N dollars.  He spent 1/4 of this at the hardware store, then $7 at the dry cleaners, and then half of what was left at the grocery store.  […]

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