document.write( "Question 490109: how mdo you solve the problem of i=prt when the rate is the only thing that is given. ex.How long will it take P dollars to double itself at 12% simple interest \n" ); document.write( "
Algebra.Com's Answer #333905 by mananth(16946)\"\" \"About 
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Principal = P
\n" ); document.write( "time = ?
\n" ); document.write( "r=12%
\n" ); document.write( "I = P Since the amount doubles\r
\n" ); document.write( "\n" ); document.write( "P= P*0.12*t
\n" ); document.write( "t=1/0.12\r
\n" ); document.write( "\n" ); document.write( "=8.33 years
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