document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1136135>Question 1136135</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chef is going to use a mixture of two brands of Italian dressing. The first brand contains 5% vinegar, and the second brand contains <BR>\n" );
document.write( "15% vinegar. The chef wants to make 260 milliliters of a dressing that is <BR>\n" );
document.write( "11% vinegar. How much of each brand should she use? \r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #753899 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=753899\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+ ALIGN=MIDDLE  ALT=\"+a+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = mm of 5% dressing<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+ ALIGN=MIDDLE  ALT=\"+b+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = mm of 15% dressing<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+b+=+260+ ALIGN=MIDDLE  ALT=\"+a+%2B+b+=+260+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+.05a+%2B+.15b+%29+%2F+260+=+.11+ ALIGN=MIDDLE  ALT=\"+%28+.05a+%2B+.15b+%29+%2F+260+=+.11+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+.05a+%2B+.15b+=+28.6+ ALIGN=MIDDLE  ALT=\"+.05a+%2B+.15b+=+28.6+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5a+%2B+15b+=+2860+ ALIGN=MIDDLE  ALT=\"+5a+%2B+15b+=+2860+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+3b+=+572+ ALIGN=MIDDLE  ALT=\"+a+%2B+3b+=+572+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Subtract (1) from (2)<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+3b+=+572+ ALIGN=MIDDLE  ALT=\"+a+%2B+3b+=+572+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-a+-b+=+-260+ ALIGN=MIDDLE  ALT=\"+-a+-b+=+-260+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2b+=+312+ ALIGN=MIDDLE  ALT=\"+2b+=+312+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+b+=+156+ ALIGN=MIDDLE  ALT=\"+b+=+156+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+%2B+156+=+260+ ALIGN=MIDDLE  ALT=\"+a+%2B+156+=+260+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+a+=+104+ ALIGN=MIDDLE  ALT=\"+a+=+104+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "She needs 104 mm of the 1st brand<BR>\n" );
document.write( "and 156 mm of the 2nd brand<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "check by plugging answers back into (1) and (2) </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );