The Rule of 72 — a Shortcut That Makes Anyone Look Like a Math Genius

  • If you asked me how many years it would take for an investment account to double if it pays 6% per year, I could tell you in a heartbeat that it will take 12 years to double.
  • Or if you told me that you are hoping to double an investment in 8 years, my reply would be that you…

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Jeffrey Goodman

Jeffrey Goodman

1.6K Followers

Navigating facts and numbers to help people. Strong opinions on climate change and healthcare. Objective, not neutral. MIT engineer, Wharton MBA.