document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=106273>Question 106273</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A wallet contains $1, $5 and $20 bills. The number of $5 bills is equal to the sum of the other bills. If the wallet contains ten bills total, how many $5 bills does it contain?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #77299 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20849)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathLover1><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=MathLover1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=77299\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let $1 bill be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >, $5 bill be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y ALIGN=MIDDLE  ALT=\"y\"   DISABLED_style= \"max-width:90%; height:auto;\" > and $20 bill be <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >. \r<BR>\n" );
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document.write( "if the number of $5 bills is equal to the sum of the other bills, we can write:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+y%2Bz ALIGN=MIDDLE  ALT=\"x+=+y%2Bz\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " If the waellt contains <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ten ALIGN=MIDDLE  ALT=\"ten\"   DISABLED_style= \"max-width:90%; height:auto;\" > bills <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=total ALIGN=MIDDLE  ALT=\"total\"   DISABLED_style= \"max-width:90%; height:auto;\" >, we can write:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+%2B+y+%2B+z+=+10 ALIGN=MIDDLE  ALT=\"x+%2B+y+%2B+z+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "since <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+y%2Bz ALIGN=MIDDLE  ALT=\"x+=+y%2Bz\"   DISABLED_style= \"max-width:90%; height:auto;\" > we can substitute it\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y+%2B+z+%2B+y+%2B+z+=+10 ALIGN=MIDDLE  ALT=\"y+%2B+z+%2B+y+%2B+z+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2+Y+%2B+2+z+=+10 ALIGN=MIDDLE  ALT=\"2+Y+%2B+2+z+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%28y%2Bz%29+=+10 ALIGN=MIDDLE  ALT=\"2%28y%2Bz%29+=+10\"   DISABLED_style= \"max-width:90%; height:auto;\" > ..........divide both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=y%2Bz+=+5 ALIGN=MIDDLE  ALT=\"y%2Bz+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >   .... if this is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5 ALIGN=MIDDLE  ALT=\"5\"   DISABLED_style= \"max-width:90%; height:auto;\" >, => that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+5 ALIGN=MIDDLE  ALT=\"x+=+5\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "the waellt contain <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=five ALIGN=MIDDLE  ALT=\"five\"   DISABLED_style= \"max-width:90%; height:auto;\" >  $5 bills.   </SPAN>\n" );
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