document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=772180>Question 772180</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how many quarts of pure antifreeze must be added to 9 quarts of a 20% antifreeze solution to obtain a 30% 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 #471236 by </B><A HREF=/tutors/aboutme.mpl?userid=modi.kk91><B>modi.kk91(20)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=modi.kk91><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=modi.kk91><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=471236\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let pure antifreeze=100%<BR>\n" );
document.write( "     quarts=x\r<BR>\n" );
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document.write( "     x*100%+9*20%=30%(X+9)\r<BR>\n" );
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document.write( "     100x+180=30x+270<BR>\n" );
document.write( "  \r<BR>\n" );
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document.write( "      100x-30x=270-180\r<BR>\n" );
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document.write( "      70x=  90<BR>\n" );
document.write( "  <BR>\n" );
document.write( "        x=90/70 </SPAN>\n" );
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