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Mathematics 5 Online
OpenStudy (anonymous):

Joan, who is 15 years old, receives an inheritance of $21,000 from her aunt Sally. Her parents help her to invest the money in a fund which doubles her money every 12 years. However, she needed her money after 7 years. How much was in her account when she withdrew her funds if her investment was compounded each year

OpenStudy (anonymous):

Nevermind, got it!

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