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# The rule of 72 for compound interest

Using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate. Created by Sal Khan.

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# The rule of 72 for compound interest

Current time:0:00Total duration:9:11

0 energy points

Using the Rule of 72 to approximate how long it will take for an investment to double at a given interest rate. Created by Sal Khan.