document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=7>Question 7</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many liters of pure water should be evaporated(removed) from 160 liters of 12% saline(salt) solution so that the solution that remains is a 20% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #442035 by </B><A HREF=/tutors/aboutme.mpl?userid=Dingoden><B>Dingoden(1)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Dingoden><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=442035\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the 20% be represent by x. (l) is liters.\r<BR>\n" );
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document.write( "0.12(160)= 0.2X  (this 20% as a decimal)\r<BR>\n" );
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document.write( "=19.2 = 0.2x  (Divide both sides by 0.2 to have x alone.)<BR>\n" );
document.write( "             <BR>\n" );
document.write( "=19.2/.2\r<BR>\n" );
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document.write( " x = 96\r<BR>\n" );
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document.write( " Subtract the 96(l) from 160(l) = 64(l)of water.\r<BR>\n" );
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document.write( " Evaporate 64(l) and leave 96(l).\r<BR>\n" );
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document.write( "  </SPAN>\n" );
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