document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=522149>Question 522149</A>: <I><SPAN STYLE=\"word-break: break-all;\"> You need a 40% alcohol solution. On hand, you have a 650 mL of a 20% alcohol mixture. You also have 90% alcohol mixture. How much of the 90% mixture will you need to add to obtain the desired solution?\r<BR>\n" );
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document.write( "You will need <BR>\n" );
document.write( " mL of the 90% solution <BR>\n" );
document.write( "to obtain <BR>\n" );
document.write( " mL of the desired 40% solution. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #346721 by </B><A HREF=/tutors/aboutme.mpl?userid=lowtek><B>lowtek(4)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lowtek><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=346721\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x = Amount Invested at 40%<BR>\n" );
document.write( "Let y = Amount Invested at 90%<BR>\n" );
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document.write( "Amount Invested = $2.96219e-154<BR>\n" );
document.write( "Total Income = $0<BR>\n" );
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document.write( "x + y = 2.96219e-154<BR>\n" );
document.write( "x = 2.96219e-154 - y<BR>\n" );
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document.write( "0.4x +0.9y = 0<BR>\n" );
document.write( "40x +90y = 0<BR>\n" );
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document.write( "40(2.96219e-154 - y) +90y = 0<BR>\n" );
document.write( "1.18488e-152 - 40y +90y = 0<BR>\n" );
document.write( "50y = -1.18488e-152<BR>\n" );
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document.write( "y = $-2.36975e-154   Invested at 90%<BR>\n" );
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document.write( "x = 2.96219e-154 - -2.36975e-154<BR>\n" );
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document.write( "x = $5.33194e-154   Invested at 40% </SPAN>\n" );
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