Simple and Compound Interest Calculations - GMAT Focus Edition Quantitative Reasoning

Learn essential concepts and calculation methods for simple and compound interest in this 12-minute GMAT Focus Edition tutorial. Master the fundamental formulas A = P(1 + RT) for simple interest and A = P(1 + R)^T for compound interest, understanding how each type treats the principal amount differently over time. Practice with examples that demonstrate when principal resets occur, proper interval calculations, and strategic approaches to problem-solving. Develop efficient tactics for both manual calculations and formula applications, while learning to identify key differences between interest types and avoiding common calculation pitfalls. Work through whiteboard examples that reinforce concepts and build confidence in handling interest-related questions on the GMAT Focus Edition's Quantitative Reasoning section.