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avatar+41 

You have invested $2700 at an APR of 4%. Use the Rule of 72 to estimate how long it will be until your investment reaches $5400, and how long it will be until your investment reaches $10,800.

It will take          years for the investment to reach $5400 and         years for it to reach $10,800.

 Apr 10, 2022
 #1
avatar+41 
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72/4 = 18 years to get to 5400 

since 5400*2=10800 

18 * 2 = 36 years to get to 10800

 Apr 10, 2022

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