document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=847174>Question 847174</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A radiator contains 5 quarts of fluid, 25% of which is antifreeze. How much fluid should be drained and replaced with pure antifreeze so that the new mixture is 50% antifreeze? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #510228 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=510228\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Drain v quarts of the 25% and replace with v quarts of the pure, 100%.\r<BR>\n" );
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document.write( "Amount of antifreeze will be:  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2A25-v%2A25%2Bv%2A100 ALIGN=MIDDLE  ALT=\"5%2A25-v%2A25%2Bv%2A100\"   DISABLED_style= \"max-width:90%; height:auto;\" >, which is 100 times larger because of using the percents unit.  Simplify partway into <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25%2A5%2B%28100-25%29v ALIGN=MIDDLE  ALT=\"25%2A5%2B%28100-25%29v\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "The equation for wanting 50% antifreeze result is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28%2825%2A5%2B%28100-25%29v%29%2F5=50%29 ALIGN=MIDDLE  ALT=\"highlight%28%2825%2A5%2B%28100-25%29v%29%2F5=50%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "Solve for v.\r<BR>\n" );
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document.write( "A next step could be the combined step,  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=125%2B75v=250 ALIGN=MIDDLE  ALT=\"125%2B75v=250\"   DISABLED_style= \"max-width:90%; height:auto;\" >....<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=75v=125 ALIGN=MIDDLE  ALT=\"75v=125\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=125%2F75=%285%2A5%2A5%29%2F%283%2A5%2A5%29 ALIGN=MIDDLE  ALT=\"v=125%2F75=%285%2A5%2A5%29%2F%283%2A5%2A5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=5%2F3=1%262%2F3%29 ALIGN=MIDDLE  ALT=\"highlight%28v=5%2F3=1%262%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > quarts </SPAN>\n" );
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