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Word Problems use simple math concepts and apply them in a contorted and complicated manner. The usual strategy to solve a Word Problem is to express the question as a mathematical equation by letting x, or some other letter, represent the quantity that we wish to determine.
The 5-Step Process for Word Problems:
- Quickly read the question and the answer choices to get a feel for what the question is specifically asking.
- Read the question again (on the GMAT you have nearly two minutes
per math question, so there is time to spare as long as you budget
it properly--read Chapter One for pacing information). Stop at important points and jot down any pertinent information.
- Translate the equation to paper and translate the question into an expression with variables.
- If you get a mental block or see a shortcut, use Backsolving or Plug In (take numbers and feed them into the question--either answer choices or choose numbers).
- If that does not work, start eliminating answers that are outside of the Ballpark; guess and move on.
I. Review of Word Problem Concepts
A. Percentages
B. Interest, Discount, and Markups
C. Progressions
D. Uniform Motion
E. Work
F. Ratio and Proportion
G. Grouping and Counting
H. Tables, Charts, and Graphs (Data Interpretation)
I. Symbols
J. Progressions
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