The formula t = ln A - ln P r can be used to find the
Chapter 5, Problem 68(choose chapter or problem)
The formula t = ln A - ln P r can be used to find the number of years t required for an investment P to grow to a value A when compounded continuously at an annual rate r. (a) How long will it take to increase an initial investment of $1000 to $8000 at an annual rate of 10%? (b) What annual rate is required to increase the value of a $2000 IRA to $30,000 in 35 years? (c) Give a derivation of this formula
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