document.write( "Question 612481: Suppose an initial investment of $5,000 doubles in value every 6 years.\r
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Algebra.Com's Answer #385509 by ewatrrr(24785)\"\" \"About 
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document.write( "Hi, 
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document.write( "initial investment of $5,000 doubles in value every 6 years: (A/P = 2)
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document.write( "In General \"A+=+P%281%2Br%2Fn%29%5Ent\"
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document.write( "A = Accumulated Amount
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document.write( "P= principal(Initial Investment) = 
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document.write( "r= annual rate = .
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document.write( "n= periods per year = 1 
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document.write( "t= years = 
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document.write( "\"A%2FP+=+2+=+%281%2Br%29%5E6\"
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document.write( "        e^(ln2/6)= 1+r
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document.write( "             .1225 = r, 12.25%  Simple Interest/yr
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document.write( "  A = P(1.225)^t
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document.write( "How much will the investment be worth in 18 years
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document.write( "6 yrs = $10,000
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document.write( "12 yrs = $20,000
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document.write( "18 yrs = $40,000 \n" );
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