document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=709907>Question 709907</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A radiator contains 10 gal of a 20% antifreeze solution. How many gallons must be drained from the radiator and replaced by pure antifreeze so that the radiator will contain 10 gal of a 50% antifreeze solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #436816 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=436816\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Try to start with the expression for what is in the radiator at start.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2A20%29%2F10=20 ALIGN=MIDDLE  ALT=\"%2810%2A20%29%2F10=20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The righthand member is 20% antifreeze, and the left hand member is the quantity of pure antifreeze over 10 gallons of the liquid in the radiator.\r<BR>\n" );
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document.write( "In the numerator, you want to SUBTRACT g gallons of the 20% liquid and ADD g gallons of the 100% material.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2A20-g%2A20%2Bg%2A100 ALIGN=MIDDLE  ALT=\"10%2A20-g%2A20%2Bg%2A100\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "The denominator will stay unchanged, 10, for 10 gallons.  Also, you want this used as a ratio equalling 50, for 50% antifreeze.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2810%2A20-g%2A20%2Bg%2A100%29%2F10=50 ALIGN=MIDDLE  ALT=\"%2810%2A20-g%2A20%2Bg%2A100%29%2F10=50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Solve for g.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28200%2B%28100-20%29g%29=50%2A10 ALIGN=MIDDLE  ALT=\"%28200%2B%28100-20%29g%29=50%2A10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=200%2B80g=500 ALIGN=MIDDLE  ALT=\"200%2B80g=500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80g=300 ALIGN=MIDDLE  ALT=\"80g=300\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "g=30/8=15/4<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28g=3%263%2F4%29 ALIGN=MIDDLE  ALT=\"highlight%28g=3%263%2F4%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > gallons to remove and replace with 100% antifreeze. </SPAN>\n" );
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