document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=124264>Question 124264</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What quantity x of a 75% acid solution must be mixed with a 25% solution to produce 500 ml of a 55% solution?\r<BR>\n" );
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document.write( "I have tried these equations<BR>\n" );
document.write( ".75x+.25(.55*500)=500(.55)<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #91052 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=91052\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You are close, but since the final solution is 500 ml and the first quantity is x ml, then the second quantity is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500-x ALIGN=MIDDLE  ALT=\"500-x\"   DISABLED_style= \"max-width:90%; height:auto;\" > ml\r<BR>\n" );
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document.write( "So the equation should be\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.75x%2B.25%28500-x%29=500%28.55%29 ALIGN=MIDDLE  ALT=\"0.75x%2B.25%28500-x%29=500%28.55%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.75x%2B.25%28500-x%29=275 ALIGN=MIDDLE  ALT=\"0.75x%2B.25%28500-x%29=275\"   DISABLED_style= \"max-width:90%; height:auto;\" > Multiply\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.75x%2B125-0.25x=275 ALIGN=MIDDLE  ALT=\"0.75x%2B125-0.25x=275\"   DISABLED_style= \"max-width:90%; height:auto;\" > Distribute\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.50x%2B125=275 ALIGN=MIDDLE  ALT=\"0.50x%2B125=275\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like terms\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.50x=150 ALIGN=MIDDLE  ALT=\"0.50x=150\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 125 from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=300 ALIGN=MIDDLE  ALT=\"x=300\"   DISABLED_style= \"max-width:90%; height:auto;\" > Divide both sides by 0.50 to isolate x\r<BR>\n" );
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document.write( "So you need 300 ml of the 75% solution </SPAN>\n" );
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