Investing Math: How to Calculate Lou's Investments at 5% and 6% Interest Rates

This 13-minute tutorial from TabletClass Math walks through a classic investment word problem where Lou invested $10,000 between two accounts with 5% and 6% interest rates, earning a total of $575. Learn how to solve this real-world finance problem step-by-step using systems of equations. Master the process of setting up variables, creating equations based on the investment amount and interest earned, and solving using substitution or elimination methods. Avoid common mistakes in finance-related math problems while developing essential algebra skills applicable to both academic and practical financial situations. This video is part of TabletClass Math Academy's comprehensive collection of math resources for middle school, high school, college, test preparation, and teacher certification.