document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112105>Question 1112105</A>: <I><SPAN STYLE=\"word-break: break-all;\"> what is the answer to this equation?\r<BR>\n" );
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document.write( "alan and joe work at two different cell phone stores\r<BR>\n" );
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document.write( ". alan earns $200 a week plus $40 for each phone he sells \r<BR>\n" );
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document.write( ".joel is not paid a salary but earns $55 for each cell phone he sells\r<BR>\n" );
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document.write( ".alan and joe each cell the same amount of phones in one week\r<BR>\n" );
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document.write( "what is the fewest number of phones joel needs to sell in one week to earn more than alan?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #727140 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=727140\">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=+E+ ALIGN=MIDDLE  ALT=\"+E+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = weekly earnings<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of cell phones sold<BR>\n" );
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document.write( "Equation for Alan:<BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+40n+%2B+200+ ALIGN=MIDDLE  ALT=\"+E+=+40n+%2B+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Equation for Joel:<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+55n+ ALIGN=MIDDLE  ALT=\"+E+=+55n+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "These are straight line equations that meet<BR>\n" );
document.write( "at a single point. Notice that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > must be <BR>\n" );
document.write( "a whole number, since they can't sell part of a cell phone<BR>\n" );
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document.write( "Make the earnings, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+ ALIGN=MIDDLE  ALT=\"+E+\"   DISABLED_style= \"max-width:90%; height:auto;\" > equal to eachother<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+40n+%2B+200+=+55n+ ALIGN=MIDDLE  ALT=\"+40n+%2B+200+=+55n+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+15n+=+200+ ALIGN=MIDDLE  ALT=\"+15n+=+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+13.333+ ALIGN=MIDDLE  ALT=\"+n+=+13.333+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The nearest whole number is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+13+ ALIGN=MIDDLE  ALT=\"+13+\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Joel has to sell<BR>\n" );
document.write( "one more, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+14+ ALIGN=MIDDLE  ALT=\"+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" > phone/wk in order to make<BR>\n" );
document.write( "more money than Alan<BR>\n" );
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document.write( "check the answer:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+14+ ALIGN=MIDDLE  ALT=\"+n+=+14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+40n+%2B+200+ ALIGN=MIDDLE  ALT=\"+E+=+40n+%2B+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+40%2A14+%2B+200+ ALIGN=MIDDLE  ALT=\"+E+=+40%2A14+%2B+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+560+%2B+200+ ALIGN=MIDDLE  ALT=\"+E+=+560+%2B+200+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(1) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+760+ ALIGN=MIDDLE  ALT=\"+E+=+760+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+55n+ ALIGN=MIDDLE  ALT=\"+E+=+55n+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+55%2A14+ ALIGN=MIDDLE  ALT=\"+E+=+55%2A14+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "(2) <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+E+=+770+ ALIGN=MIDDLE  ALT=\"+E+=+770+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "So, Joel makes $10/wk more than Alan </SPAN>\n" );
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