In Debt We Trust
The 'Rule of 72' estimates how long it takes an investment to double.
✓ TRUE FACT
The shortcut is 72 ÷ interest rate (%) ≈ years to double. At 8%, doubling time is about 72/8 = 9 years; at 6%, it’s about 12 years.
🤯 "The 'Rule of 72' estimates how long it takes an investment to double. Unless you’re in crypto—then it’s either 72 minutes or never."
Play SmartAss Facts 🎯