Solve the problem.Joe invested $3000 at 7% compounded semiannually. In how many years will Joe's investment have tripled? Round your answer to the nearest tenth of a year.
A. 16 years
B. 5.8 years
C. 15.7 years
D. 2.0 years
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
Mathematics