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1. |
Q: If an amount doubles automatically in 8 years, then what is the interest rate? |
A. | $$ {12{1\over 2}}\%$$ |
B. | $$ {15{1\over 2}}\%$$ |
C. | 0.05 |
D. | $$ {5{1\over 2}}\%$$ |
Answer» B. $$ {15{1\over 2}}\%$$ | |