document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=339756>Question 339756</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A businessman invested $12000 in two ventures. In one he made a profit of 8% and in the other he lost 4%. His net profit for the year was $120. How much did he invest in each venture. I KNOW THE ANSWER BY GUESSING, BUT I NEED AN EQUATION TO ACTUALLY SHOW HOW I DID IT.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #243389 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=243389\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A businessman invested $12000 in two ventures. In one he made a profit of 8% and in the other he lost 4%. His net profit for the year was $120. How much did he invest in each venture.<BR>\n" );
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document.write( "Let x = amount invested at 8%<BR>\n" );
document.write( "then<BR>\n" );
document.write( "12000-x = amount invested at 4%<BR>\n" );
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document.write( ".08x - .04(12000-x) = 120<BR>\n" );
document.write( ".08x - 480+.04x = 120<BR>\n" );
document.write( ".12x - 480 = 120<BR>\n" );
document.write( ".12x = 600<BR>\n" );
document.write( "x = $5000 (amount invested at 8%)<BR>\n" );
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document.write( "amount invested at 4%:<BR>\n" );
document.write( "12000-x = 12000-5000 = $7000 </SPAN>\n" );
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