SOLUTION: Jean invested a sum of money, compounded quarterly. After 3 years, her investments grew by 60%. Find the interest rate per annum correct to 3 significant figures.
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Question 1127265: Jean invested a sum of money, compounded quarterly. After 3 years, her investments grew by 60%. Find the interest rate per annum correct to 3 significant figures. Answer by ikleyn(52817) (Show Source):