document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=333345>Question 333345</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist has 35% NaCl solution and 50% NaCl solution. How many liters of each should he mix to get 10L of NaCl solution with 40% base concentration? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #238857 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=238857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 35% NaCl solution  let this be x L<BR>\n" );
document.write( "50% NaCl solution. this will be 10-x\r<BR>\n" );
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document.write( "mix to get 40% 10 L\r<BR>\n" );
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document.write( "..<BR>\n" );
document.write( "0.35x+0.5(10-x)=0.4*10<BR>\n" );
document.write( "0.35x+5-0.5x=4<BR>\n" );
document.write( "-0.15x=-1<BR>\n" );
document.write( "x=-1/0.15<BR>\n" );
document.write( "= 6.66 L  35% solution<BR>\n" );
document.write( "Balance 3.34 L will be 50% solution\r<BR>\n" );
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document.write( "CHECK<BR>\n" );
document.write( "6.66*35+3.34*50 = 40*10 </SPAN>\n" );
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