document.write( "Question 764928: how long does a sum of money takes to triple itself at a simple interest rate of 7.5% per annum?
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Algebra.Com's Answer #465820 by MathLover1(20850)\"\" \"About 
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Simple interest:\r
\n" ); document.write( "\n" ); document.write( "\"3P=P%281%2B0.075%2At%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3cross%28P%29=cross%28P%29%281%2B0.075%2At%29\"\r
\n" ); document.write( "\n" ); document.write( "\"3=%281%2B0.075%2At%29\"\r
\n" ); document.write( "\n" ); document.write( "Solve for \"t\":\r
\n" ); document.write( "\n" ); document.write( "\"3-1=0.075%2At%29\"\r
\n" ); document.write( "\n" ); document.write( "\"t=%283-1%29%2F0.075+=+2%2F0.075+\"\r
\n" ); document.write( "\n" ); document.write( "\"t=26.66666666666666666666666666666666666666666666666666666666666+\"\r
\n" ); document.write( "\n" ); document.write( "\"t=26.7+\"
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