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Mathematics 11 Online
OpenStudy (anonymous):

Suzette opened a CD 10 years ago at an interest rate of 8.2%, compounded semiannually. According to the rule of 72, when did she have half the amount of money that she has now? A. About 8.8 years ago B. About 4.1 years ago C. About 8.2 years ago D. About 4.4 years ago

OpenStudy (anonymous):

A. About 8.8 years ago.

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