advance algebra with fincial applications

how long does it take $450 to double at simple interest rate of 14%

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  1. 450(1.14)^n = 900
    1.14^n = 2
    take log of both sides

    log 1.14^n = log 2
    n log1.14 = log2
    n = log2/log1.14 = appr 5.3 years

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  2. How long does it take $450 to double at a simple interest rate of 14%

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