EPISODE · Aug 27, 2026 · 4 MIN
Navy OAR Exam Prep 27, Interest Profit and Financial Word Problems
from Military Exam Prep
This podcast is made by Ran Chen, who holds an EA license, Insurance and Securities licenses (Series 6, 63, 65), and the CFP® designation. He is passionate about opening access to high-quality exam preparation resources and helping learners prepare more effectively for professional certification exams. In this episode you will learn: - To differentiate between simple interest (calculated on principal only) and compound interest (calculated on principal plus accumulated interest). - How to correctly calculate total interest earned in compound interest problems by subtracting the initial principal from the final amount. - The method for setting up break-even problems by equating total revenue with the sum of variable and fixed costs. - The critical mistake of combining percentages and the correct method of applying them sequentially to the proper base (e.g., tax after discount). - A mental shortcut for multi-step percentage problems: "Don't Guess The Base, Just Run The Race" to ensure step-by-step accuracy. For more free exam prep tools, practice questions, and AI-powered explanations, visit https://open-exam-prep.com/ or YouTube Channel: https://www.youtube.com/@Open-exam-prep
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Navy OAR Exam Prep 27, Interest Profit and Financial Word Problems
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