document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=894173>Question 894173</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a chemist has two solutions of HNO3. One has a 40% concentration and the other has a 25% concentration. How many liters of each solution must be mixed to obtain 70 liters of a 32% solution<BR>\n" );
document.write( "x=40%=0.4x<BR>\n" );
document.write( "25%=70-x<BR>\n" );
document.write( "0.25(70-x)<BR>\n" );
document.write( "0.4x+0.25(70-x)=32 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #541812 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</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=541812\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <i>Maybe</i> the percents are as mass per volume???\r<BR>\n" );
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document.write( "If this is the case, then like this to solve:\r<BR>\n" );
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document.write( "u = ml of 25%<BR>\n" );
document.write( "v = ml of 40%\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2825u%2B40v%29%2F70=32 ALIGN=MIDDLE  ALT=\"%2825u%2B40v%29%2F70=32\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=u%2Bv=70 ALIGN=MIDDLE  ALT=\"u%2Bv=70\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The concentration equation is simplifiable to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5u%2B8v=448 ALIGN=MIDDLE  ALT=\"5u%2B8v=448\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "Solve the system,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%28system%285u%2B8v=448%2Cu%2Bv=70%29%29 ALIGN=MIDDLE  ALT=\"highlight_green%28system%285u%2B8v=448%2Cu%2Bv=70%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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