document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=149209>Question 149209</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Walt made an extra $9000 last year from a part-time job.  He invested part of the money at 9% and the rest at 8%. He made a total of $770 in interest. How much was invested at 8%? Please show all work.... </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #109467 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=109467\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x=9% money<BR>\n" );
document.write( "y=8% money<BR>\n" );
document.write( "coefficient=percent\r<BR>\n" );
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document.write( "x+y=9000----------------------because there was $9000 extra<BR>\n" );
document.write( "9x+8y=77000-------------------because 9% x + 8% y= 77000% (or 770)\r<BR>\n" );
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document.write( "Solve for x in the first equation<BR>\n" );
document.write( "x=9000-y\r<BR>\n" );
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document.write( "Plug that in<BR>\n" );
document.write( "9(9000-y)+8y=77000\r<BR>\n" );
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document.write( "Distribute the 9 to the parentheses<BR>\n" );
document.write( "81000-9y+8y=77000\r<BR>\n" );
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document.write( "Combine like terms<BR>\n" );
document.write( "81000-y=77000\r<BR>\n" );
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document.write( "Subtract 81000 from both sides<BR>\n" );
document.write( "-y=-4000\r<BR>\n" );
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document.write( "Divide by -1<BR>\n" );
document.write( "y=4000\r<BR>\n" );
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document.write( "y=8% money\r<BR>\n" );
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document.write( "money invested at 8%: $4000 </SPAN>\n" );
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