An investment earning twelve percent interest per year should double in value in approximately four years.

Name: An investment earning twelve percent interest per year should double in value in approximately four years.
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Question

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The Rule of 72 states that to estimate the number of years required to double an investment at a given annual interest rate, you divide 72 by the interest rate. For a 12% interest rate, it would take approximately 6 years (72/12 = 6).

An Investment Earning Twelve Percent Interest Per Year Should Double