document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=177765>Question 177765</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Linear System<BR>\n" );
document.write( "What vloumes of 60% hydrochloric acid solution and 30% hydrochloric must be mixed to make 125 mL of 36% hydrocloric acid solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #132773 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=132773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lets call the amount of 60% and 30% solutions a and b respectively<BR>\n" );
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document.write( "a+b=125.....eq 1<BR>\n" );
document.write( ".6a+.3b=.36(125)..eq 2<BR>\n" );
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document.write( "lets rewrite eq 1 to a=125-b and plug that value into eq 2<BR>\n" );
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document.write( ".6(125-b)+.3b=.36(125)<BR>\n" );
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document.write( "75-.6b+.3b=45<BR>\n" );
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document.write( "-.3b=-30<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28b=100%29 ALIGN=MIDDLE  ALT=\"highlight%28b=100%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >ml of 30% solution<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=a=125-b=125-100=highlight%2825%29 ALIGN=MIDDLE  ALT=\"a=125-b=125-100=highlight%2825%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >ml of 60% solution </SPAN>\n" );
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