document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=762279>Question 762279</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many liters of 40% acid should be combined with a 20 liter mixture that is 15% acid in order to produce a mixture that is 25% acid? use X= amount of 40% acid to add. show the equation that comes from this problem.\r<BR>\n" );
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document.write( "I got (.4x+3)/(x+20)=.25<BR>\n" );
document.write( "is this correct?<BR>\n" );
document.write( "is the number of liters you need for the 40% acid: 6.6667   ? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #463879 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=463879\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> {Amount of pure acid} / {Amount volume of mixture} = {Concentration of the acid}\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2840%2Ax%2B15%2A20%29%2F%28x%2B20%29=25 ALIGN=MIDDLE  ALT=\"%2840%2Ax%2B15%2A20%29%2F%28x%2B20%29=25\"   DISABLED_style= \"max-width:90%; height:auto;\" >  and your equation is also good.  \r<BR>\n" );
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document.write( "You asked if your resulting answer is good.  TEST it in your equation!  If you find equality, then your number result is correct, otherwise not.\r<BR>\n" );
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document.write( "Working a solution for  x from YOUR equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.4x%2B3=0.25%28x%2B20%29 ALIGN=MIDDLE  ALT=\"0.4x%2B3=0.25%28x%2B20%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.4x%2B3=0.25x%2B5.0 ALIGN=MIDDLE  ALT=\"0.4x%2B3=0.25x%2B5.0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%280.4-0.25%29x=5 ALIGN=MIDDLE  ALT=\"%280.4-0.25%29x=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.15x=5 ALIGN=MIDDLE  ALT=\"0.15x=5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=5%2F0.15 ALIGN=MIDDLE  ALT=\"x=5%2F0.15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=33%261%2F3%29 ALIGN=MIDDLE  ALT=\"highlight%28x=33%261%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
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