document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=900965>Question 900965</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a man takes a 500km trip in his car.he rotates his tyres(four on the car and one spare)so that in the end of the trip each tyre has been used for the same number of kilometres.how many kilometres did each tyre cover?<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 #546335 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=546335\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> He would start with this pattern:\r<BR>\n" );
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document.write( "1 2<BR>\n" );
document.write( "3 4 - S\r<BR>\n" );
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document.write( "keeps them on until <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+ ALIGN=MIDDLE  ALT=\"+x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km driven\r<BR>\n" );
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document.write( "2 3<BR>\n" );
document.write( "4 S - 1\r<BR>\n" );
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document.write( "on car until <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+2x+ ALIGN=MIDDLE  ALT=\"+2x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km\r<BR>\n" );
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document.write( "3 4<BR>\n" );
document.write( "S 1 - 2\r<BR>\n" );
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document.write( "on car until <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+3x+ ALIGN=MIDDLE  ALT=\"+3x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km\r<BR>\n" );
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document.write( "4 S<BR>\n" );
document.write( "1 2 - 3\r<BR>\n" );
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document.write( "on car until <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4x+ ALIGN=MIDDLE  ALT=\"+4x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km\r<BR>\n" );
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document.write( "S 1<BR>\n" );
document.write( "2 3 - 4\r<BR>\n" );
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document.write( "on car until <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5x+ ALIGN=MIDDLE  ALT=\"+5x+\"   DISABLED_style= \"max-width:90%; height:auto;\" > km<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5x+=+500 ALIGN=MIDDLE  ALT=\"+5x+=+500\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+x+=+100+ ALIGN=MIDDLE  ALT=\"+x+=+100+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Each tyre covers 100 km\r<BR>\n" );
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