document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=795176>Question 795176</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The concession stand sold 36 cans of juice.  There were 13 fewer cans of soda sold than cans of juice and 10 fewer bottles of water sold than cans of soda.  How many bottles of water were sold?<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 #480832 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=480832\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> j for juice<BR>\n" );
document.write( "s for soda<BR>\n" );
document.write( "w for water\r<BR>\n" );
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document.write( "Translating from the descriptions,<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=j=36 ALIGN=MIDDLE  ALT=\"j=36\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=j-13 ALIGN=MIDDLE  ALT=\"s=j-13\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=s-10 ALIGN=MIDDLE  ALT=\"w=s-10\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
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document.write( "Try to see how those make sense, before continuing.\r<BR>\n" );
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document.write( "Do you want to use a matrix to solve, or do you want to use just substitutions and simplifications to solve?  You have a system of three equations in three unknown variables.  \r<BR>\n" );
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document.write( "Simplest step first can be substitute for j=36 in the s and the w equations.  <BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=36-13 ALIGN=MIDDLE  ALT=\"s=36-13\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=s-10 ALIGN=MIDDLE  ALT=\"w=s-10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Obviously one of these is affected but not the other one.  Simplify s, and then substitute it into the w equation:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=23 ALIGN=MIDDLE  ALT=\"s=23\"   DISABLED_style= \"max-width:90%; height:auto;\" >.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=23-10 ALIGN=MIDDLE  ALT=\"w=23-10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28w=13%29 ALIGN=MIDDLE  ALT=\"highlight%28w=13%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  Very Neat!  Solved for w.<BR>\n" );
document.write( "Thirteen bottles of water sold.\r<BR>\n" );
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