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Online ProgramThe rule of 72 gives an approximation for the amount of time it will take in order for an investment that is made in a stock, mutual fund, or some other investment vehicle. The formula to determine the amount of money that is in an account, A given an initial investment of P with an annual interest rate of r over time t is \(A=P(1+r)^{t}\)
Find a formula that will determine the time, t it will take to double the investment, P