document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1078983>Question 1078983</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write a convinceing argument: solve the problem below. Then write an argument that would convince a classmate that your answer is correct.\r<BR>\n" );
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document.write( "John was hired by a painter to paint doors. He was paied $10 for each door that he completed that did not need repainting by a painter. For each door that needed to be re-done, he was fined $5. On a bd day he painted 25 doors, but made a totaly of only $10. How many doors did he paint that did not need to be repainted? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #693384 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=693384\">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=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > =the number of doors he painted<BR>\n" );
document.write( "that did not need to be repainted<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+25+-+x+ ALIGN=MIDDLE  ALT=\"+25+-+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the number of doors that needed<BR>\n" );
document.write( "to be repainted<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10x+ ALIGN=MIDDLE  ALT=\"+10x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is what he was paid for doors that<BR>\n" );
document.write( "did not need repainting<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+-5%2A%28+25+-+x+%29+ ALIGN=MIDDLE  ALT=\"+-5%2A%28+25+-+x+%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > is what he was paid ( fined )<BR>\n" );
document.write( "for doors needing repainting<BR>\n" );
document.write( "-------------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10x+-+5%2A%28+25+-+x+%29+=+10+ ALIGN=MIDDLE  ALT=\"+10x+-+5%2A%28+25+-+x+%29+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10x+-+125+%2B+5x+=+10+ ALIGN=MIDDLE  ALT=\"+10x+-+125+%2B+5x+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+15x+=+135+ ALIGN=MIDDLE  ALT=\"+15x+=+135+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+9+ ALIGN=MIDDLE  ALT=\"+x+=+9+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "He painted 9 doors that did not need repainting<BR>\n" );
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document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10%2A9+-+5%2A%28+25+-+9+%29+=+10+ ALIGN=MIDDLE  ALT=\"+10%2A9+-+5%2A%28+25+-+9+%29+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+-+5%2A16+=+10+ ALIGN=MIDDLE  ALT=\"+90+-+5%2A16+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+-+80+=+10+ ALIGN=MIDDLE  ALT=\"+90+-+80+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+90+=+90+ ALIGN=MIDDLE  ALT=\"+90+=+90+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( "You just need to explain <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+10x+-+5%2A%28+25+-+x+%29+=+10+ ALIGN=MIDDLE  ALT=\"+10x+-+5%2A%28+25+-+x+%29+=+10+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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