Question: Question 9 (10 points) Using the rule of 72, estimate approximately how many years it will take an investor who invests $1,000 at an interest
Question 9 (10 points) Using the rule of 72, estimate approximately how many years it will take an investor who invests $1,000 at an interest rate of 4% per year to double his money. 7 years 10 years 14 years 18 years 20 years
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