If $17,000 is invested at 9% per year, in approximately how many years will the investment...

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If $17,000 is invested at 9% per year, in approximately how many years will the investment double? Sara wants to have $550,000 in her savings account when she retires. How much must she put in the account now, if the account pays a fixed interest rate of 10%, to ensure that she has $550,000 in 20 years? If $17,000 is invested at 9% per year, in approximately how many years will the investment double? Sara wants to have $550,000 in her savings account when she retires. How much must she put in the account now, if the account pays a fixed interest rate of 10%, to ensure that she has $550,000 in 20 years?

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To calculate the approximate number of years it takes for an investment to double at a given i... View the full answer