document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=218741>Question 218741</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much water must be evaporated from 28 ounces of a 3% salt solution to make a 7% salt solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #164680 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=164680\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much water must be evaporated from 28 ounces of a 3% salt solution to make a 7% salt solution?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "salt - salt = salt<BR>\n" );
document.write( "0.03*28 - 0x = 0.07(28-x)<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "3*38 = 7(28-x)<BR>\n" );
document.write( "3*28 = 7*28 - 7x<BR>\n" );
document.write( "7x = 4*28<BR>\n" );
document.write( "x = 16 oz (Amt. of water that must be evaporated)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );