document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=898249>Question 898249</A>: <I><SPAN STYLE=\"word-break: break-all;\">  How much 90 percent vinegar do you have to add to a gallon of 5 percent vinegar to get 20 percent vinegar?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #544687 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=544687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How much 90 percent vinegar do you have to add to a gallon of 5 percent vinegar to get 20 percent vinegar?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "vinegar + vinegar = vinegar<BR>\n" );
document.write( "0.90x + 0.05*1 = 0.20(x+1)<BR>\n" );
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document.write( "90x + 5 = 20x + 20<BR>\n" );
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document.write( "70x = 15<BR>\n" );
document.write( "x = 15/70 = 0.21 gallons (amt. 90% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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