document.write( "Question 424006: i borrowed 500.00, then paid back 525.00 in 30 days. what's the interest? \n" ); document.write( "
Algebra.Com's Answer #295704 by robertb(5830)\"\" \"About 
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The interest is 25.00. Time is 1/12 of a year.\r
\n" ); document.write( "\n" ); document.write( "==> \"25+=+%28500%29r%281%2F12%29\"
\n" ); document.write( "==> \"r+=+300%2F500+=+0.60\".\r
\n" ); document.write( "\n" ); document.write( "The interest rate is 60%.
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