document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942753>Question 942753</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist mixes 8 l of 40% acid solution with some unknown quantity of 70% solution to get a 50% solution. How much 70% solution is used ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574726 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=574726\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a chemist mixes 8 l of 40% acid solution with some unknown quantity of 70% solution to get a 50% solution. How much 70% solution is used ?<BR>\n" );
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document.write( "l=liter<BR>\n" );
document.write( "let x=amt of 70% solution used<BR>\n" );
document.write( "40%*8+70%x=50%(8+x)<BR>\n" );
document.write( "3.2+.70x=4+.50x<BR>\n" );
document.write( ".20x=0.80<BR>\n" );
document.write( "x=4<BR>\n" );
document.write( "amt of 70% solution used=4 l </SPAN>\n" );
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