document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=998800>Question 998800</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Dollar Bill invested money in an account earning 4% simple interest.  At the end of 5 years, he had a total of $14,400. How much did he originally invest? \r<BR>\n" );
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document.write( "I know this is  I=PRT, but I always struggle with it. A step by step process would be much appreciated.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #616560 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><IMG SRC=http://www.algebra.com/images/aboutme-small.gif BORDER=0 alt=\"About Me\" VALIGN=MIDDLE></A>&nbsp;<IMG SRC=http://www.algebra.com/cgi-bin/show-face.mpl?user=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=616560\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Amount = Principal + interest\r<BR>\n" );
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document.write( "let x be the principal \r<BR>\n" );
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document.write( "14400 =x + (4% of x*5)\r<BR>\n" );
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document.write( "multiply by 100\r<BR>\n" );
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document.write( "1440000=100x+20x\r<BR>\n" );
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document.write( "120x = 1440000\r<BR>\n" );
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document.write( "x= 12000\r<BR>\n" );
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document.write( "He invested $12,000\r<BR>\n" );
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