document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1130237>Question 1130237</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi I have a question that I need help with and was wondering if you could help?\r<BR>\n" );
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document.write( "A young sumo wrestler decided to go on a special diet to gain weight rapidly. He gained weight at a constant rate.<BR>\n" );
document.write( "The table compares the wrestler's weight (in kilograms) and the time since he started his diet (in months).<BR>\n" );
document.write( "Time (months)<BR>\n" );
document.write( "Weight (kilograms)<BR>\n" );
document.write( "0.50.5<BR>\n" );
document.write( "0.5\r<BR>\n" );
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document.write( "80.680.6<BR>\n" );
document.write( "80.6\r<BR>\n" );
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document.write( "22<BR>\n" );
document.write( "2\r<BR>\n" );
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document.write( "88.488.4<BR>\n" );
document.write( "88.4\r<BR>\n" );
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document.write( "3.53.5<BR>\n" );
document.write( "3.5\r<BR>\n" );
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document.write( "96.296.2<BR>\n" );
document.write( "96.2\r<BR>\n" );
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document.write( "What was the wrestler's weight before he went on his diet?\r<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 #746907 by </B><A HREF=/tutors/aboutme.mpl?userid=MathLover1><B>MathLover1(20850)</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=746907\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> if you have this table:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t ALIGN=MIDDLE  ALT=\"t\"   DISABLED_style= \"max-width:90%; height:auto;\" >.................<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%28t%29 ALIGN=MIDDLE  ALT=\"w%28t%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.5 ALIGN=MIDDLE  ALT=\"0.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >..............<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80.6 ALIGN=MIDDLE  ALT=\"80.6\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2 ALIGN=MIDDLE  ALT=\"2\"   DISABLED_style= \"max-width:90%; height:auto;\" > ................<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=88.4 ALIGN=MIDDLE  ALT=\"88.4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=3.5 ALIGN=MIDDLE  ALT=\"3.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > ..............<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=96.2 ALIGN=MIDDLE  ALT=\"96.2\"   DISABLED_style= \"max-width:90%; height:auto;\" > \r<BR>\n" );
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document.write( "it’s linear function, use two points to find equation of that line\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%28t%29=mt%2Bb ALIGN=MIDDLE  ALT=\"w%28t%29=mt%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "first find a slope <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m ALIGN=MIDDLE  ALT=\"m\"   DISABLED_style= \"max-width:90%; height:auto;\" > using two points\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=m=%28w%28t%29-w%28t%29%5B1%5D%29%2F%28t-t%5B1%5D%29 ALIGN=MIDDLE  ALT=\"m=%28w%28t%29-w%28t%29%5B1%5D%29%2F%28t-t%5B1%5D%29\"   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=m=%2888.4-80.6%29%2F%282-0.5%29 ALIGN=MIDDLE  ALT=\"m=%2888.4-80.6%29%2F%282-0.5%29\"   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=m=%287.8%29%2F%281.5%29 ALIGN=MIDDLE  ALT=\"m=%287.8%29%2F%281.5%29\"   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=m=5.2 ALIGN=MIDDLE  ALT=\"m=5.2\"   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=w%28t%29=5.2t%2Bb ALIGN=MIDDLE  ALT=\"w%28t%29=5.2t%2Bb\"   DISABLED_style= \"max-width:90%; height:auto;\" >.....use one point and calculate <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b ALIGN=MIDDLE  ALT=\"b\"   DISABLED_style= \"max-width:90%; height:auto;\" > (<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=3.5 ALIGN=MIDDLE  ALT=\"t=3.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >,<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%28t%29=96.2+ ALIGN=MIDDLE  ALT=\"w%28t%29=96.2+\"   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=96.2=5.2%2A3.5%2Bb ALIGN=MIDDLE  ALT=\"96.2=5.2%2A3.5%2Bb\"   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=96.2=18.2%2Bb ALIGN=MIDDLE  ALT=\"96.2=18.2%2Bb\"   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=b=96.2-18.2 ALIGN=MIDDLE  ALT=\"b=96.2-18.2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=78 ALIGN=MIDDLE  ALT=\"b=78\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "so, your equation is:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%28t%29=5.2t%2B78 ALIGN=MIDDLE  ALT=\"w%28t%29=5.2t%2B78\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "What was the wrestler's weight before he went on his diet? \r<BR>\n" );
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document.write( "weight before he went on his diet what <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w%280%29 ALIGN=MIDDLE  ALT=\"w%280%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > is, and that is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=78 ALIGN=MIDDLE  ALT=\"78\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );