document.write( "Question 681225: Find the time required for a $1458 investment to triple at an interest rate of 5%, compounded continuously.
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Algebra.Com's Answer #422585 by ReadingBoosters(3246)\"\" \"About 
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1458 tripled is 3(1458) = 4374
\n" ); document.write( "4374 = 1458\"e%5E%28.05t%29\"
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\n" ); document.write( "\"%284374%2F1458%29+=+e%5E%28.05t%29\"
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\n" ); document.write( "ln(4374/1458) = .05t ln(e)
\n" ); document.write( "ln(e) = 1
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\n" ); document.write( "\"t+=+%28ln%284374%2F1458%29%29%2F.05+=+21.97\" years
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