document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1008497>Question 1008497</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Last year Carlos had $30000 to invest he invested some of it in an account that paid 10% simple interest per year and he invested the rest in an account that paid 8% simple interest per year. After one year he received a total of of $2800 in interest how much did he invest in each account \r<BR>\n" );
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document.write( "First account =\r<BR>\n" );
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document.write( "Second account = </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #624143 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=624143\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Last year Carlos had $30000 to invest he invested some of it in an account that paid 10% simple interest per year and he invested the rest in an account that paid 8% simple interest per year. After one year he received a total of of $2800 in interest how much did he invest in each account <BR>\n" );
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document.write( "Quantity Eq:: t + e = 30000<BR>\n" );
document.write( "Interest Eq::10t+8e = 280000<BR>\n" );
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document.write( "Modify for elimination::<BR>\n" );
document.write( "8t + 8e = 8*30000<BR>\n" );
document.write( "10t+ 8e = 280000<BR>\n" );
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document.write( "2t = 40000<BR>\n" );
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document.write( "t = $20000 (amt invested at 10%)<BR>\n" );
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document.write( "e = 30000- 20000<BR>\n" );
document.write( "e = $10,000 (amt. invested at 8%)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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