Problem Solving (PS) | Jane's investment of $200 increased by 200% in 7 years when compounded

Jane's investment of $200 increased by 200% in 7 years when compounded annually. If she wants to earn an additional compound interest of $4800, for how many more years should she keep her moneyinvested?

A. 7 years
B. 14 years
C. 21 years
D. 24 years
E. 30 years

Thanks,
Saquib
QuantExpert
e-GMAT

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