document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=290177>Question 290177</A>: <I><SPAN STYLE=\"word-break: break-all;\">  I have 2 problems, hear they are.<BR>\n" );
document.write( "A gallon of vinegar is labelled 5% acidity. How many fluid Ounces of pure acid must be added to get 6% acidity?<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 #209986 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=209986\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A gallon of vinegar is labled 5% acidity. How many fluid Ounces of pure acid must be added to get 6% acidity?<BR>\n" );
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document.write( "acid + acid = acid<BR>\n" );
document.write( "0.5*1 + 1*x = 0.6(1+x)<BR>\n" );
document.write( "0.5 + x = 0.6 + 0.6x<BR>\n" );
document.write( "0.4x = 0.1<BR>\n" );
document.write( "x = 1/4 gallon (amount of pure acid needed in the mixture)<BR>\n" );
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document.write( "A 12% saline solution is to be deluted with water to obtain 20 oz. of a 10% solution. How much water is needed?<BR>\n" );
document.write( "saline + saline = saline<BR>\n" );
document.write( "0.12x + 0*(20-x)= 0.10*20<BR>\n" );
document.write( "0.12x = 2<BR>\n" );
document.write( "x = 16 2/3 <BR>\n" );
document.write( "water = 20-16 2/3 = 3 1/3 oz (amount of water needed for the mixture)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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