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The Math Layer

The Math Layer

By: VA
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About this listen

 Learn personal finance the simple way with The Math Layer. We break down complex money topics into easy-to-understand lessons covering credit cards, investing, budgeting, and building wealth. Whether you're optimizing credit card rewards, planning your first investment, or mastering your finances, we make the math simple so you can make smarter money decisions.VA
Episodes
  • The Rule of 72: Calculate How Fast Your Money Doubles

    The Rule of 72: Calculate How Fast Your Money Doubles
    Jan 15 2026

    Want to know when your investments will double? The Rule of 72 is a simple mental math trick that helps you estimate investment growth in seconds.


    In this episode, we break down:

    • What the Rule of 72 is and why it works

    • How to calculate when your money will double

    • Real-world examples with different interest rates

    • Why this matters for your retirement planning

    • How to use it for credit cards and debt too


    Whether you're investing in stocks, bonds, or savings accounts, this quick calculation will change how you think about compound interest and long-term wealth building.


    Perfect for beginners learning about investing and anyone who wants to make smarter financial decisions.
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    12 mins
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