document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=769844>Question 769844</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this word problem : A chemist wants to mix a new solution with at least 18% pure salt. The chemist has two solutions with 9% pure salt and 24% and wants to make at most 250 mL of the new solution. Write and graph a system of inequalities that can be used to find the amount of each solution needed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #469068 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=469068\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ASSIGN VARIABLES TO EVERYTHING<BR>\n" );
document.write( "L=9% salt solution<BR>\n" );
document.write( "H=24% salt solution<BR>\n" );
document.write( "T=18% wanted salt solution<BR>\n" );
document.write( "M=250 mL volume wanted salt solution, amount of solution<BR>\n" );
document.write( "u= volume to use of the 9% solution<BR>\n" );
document.write( "v= volume to use of the 24% salt solution\r<BR>\n" );
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document.write( "MAKE EQUATIONS\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28Lu%2BHv%29%2FM=T ALIGN=MIDDLE  ALT=\"%28Lu%2BHv%29%2FM=T\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=M ALIGN=MIDDLE  ALT=\"u%2Bv=M\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "SOLVE FOR THE UNKNOWN VARIABLES, u and v<BR>\n" );
document.write( "& then<BR>\n" );
document.write( "SUBSTITUTE GIVEN VALUES TO FIND VALUES FOR u and v </SPAN>\n" );
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