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Unformatted text preview: years? 4. Jennifer invests 1000 in a fund earning an annual effective interest rate of 10%. She wants to know when she will have 4000. Her banker estimates the time using the Rule of 72 as X years. Jennifer calculates it exactly as Y years. X and Y are not necessarily integers. Calculate Y  X. Answers: 1. 11.5813 Years 2. 7.3438% 3. 2004.23 4. 0.1451 years...
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This note was uploaded on 02/05/2012 for the course MA 373 taught by Professor Staff during the Spring '08 term at Purdue.
 Spring '08
 Staff
 Math

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