document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=203665>Question 203665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Angela needs 20 quarts of 50%<BR>\n" );
document.write( "	antifreeze solution in her radiator. She plans to obtain this<BR>\n" );
document.write( "	by mixing some pure antifreeze with an appropriate<BR>\n" );
document.write( "	amount of a 40% antifreeze solution. How many quarts of<BR>\n" );
document.write( "	each should she use?<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 #153669 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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/cgi-bin/show-face.mpl?user=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=153669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> needs 20 quarts of 50% antifreeze solution in her radiator.<BR>\n" );
document.write( "plans to obtain this by mixing some pure antifreeze with an appropriate<BR>\n" );
document.write( " amount of a 40% antifreeze solution. How many quarts of antifreeze?<BR>\n" );
document.write( ":<BR>\n" );
document.write( "Let x = amt of pure antifreeze<BR>\n" );
document.write( "The resulting amt is to be 20 qts, therefore<BR>\n" );
document.write( "(20-x) = amt of 40% solution required<BR>\n" );
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document.write( "A typical mixture problem<BR>\n" );
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document.write( "x + .40(20-x) = .50(20)<BR>\n" );
document.write( ";<BR>\n" );
document.write( "x + 8 - .4x = 10<BR>\n" );
document.write( ":<BR>\n" );
document.write( "x - .4x = 10 - 8<BR>\n" );
document.write( ":<BR>\n" );
document.write( ".6x = 2<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F.6 ALIGN=MIDDLE  ALT=\"2%2F.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 3<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > qts of pure anti-freeze<BR>\n" );
document.write( "and<BR>\n" );
document.write( "20 - 3<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 16<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F3 ALIGN=MIDDLE  ALT=\"2%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > qts of 40% mixture  </SPAN>\n" );
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