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Mike McGarry
Lesson by Mike McGarry
Magoosh Expert
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Word Problems
Summary
The content provides a comprehensive guide on solving GMAT word problems involving multiple travelers and trips, emphasizing the strategic use of the Distance = Rate x Time (D=RT) equation.
  • Each traveler and trip segment must have its own D=RT equation, facilitating the solution of complex word problems.
  • Techniques for solving two equations with two unknowns, such as substitution and elimination, are crucial for finding solutions.
  • Three example problems are dissected, demonstrating the application of these strategies to solve for distances and times.
  • The importance of breaking down a problem into manageable parts and systematically solving for unknowns is highlighted.
  • Advice on solving more complex problems includes paying attention to the details and using algebraic methods to simplify and solve equations.
Chapters
00:00
Introduction to Multiple Travelers and Trips
00:39
Solving for Distance with Two Travelers
02:53
Complex Problem Solving with Variable Speeds and Directions
05:58
Advanced Problem Solving: Return Trips and Time Constraints