document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=734169>Question 734169</A>: <I><SPAN STYLE=\"word-break: break-all;\"> at 2:10 Joyce was 42 miles from home. At 2:30 she was 21 miles from home. find her average rate of travel. then find the slope.  I do no that rate mean to divide problem but I am a little because I graph it can some one please help me to understand a little better     \r<BR>\n" );
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document.write( "                                                                                                thanks Desiree<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 #448774 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=448774\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  at 2:10 Joyce was 42 miles from home. At 2:30 she was 21 miles from home.<BR>\n" );
document.write( " find her average rate of travel. then find the slope.<BR>\n" );
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document.write( "The travel time from 2:10 to 2:30 is 20 min which is: 20/60 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F3 ALIGN=MIDDLE  ALT=\"1%2F3\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "During this time he traveled 21 mi <BR>\n" );
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document.write( "Speed = dist/time<BR>\n" );
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document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21%2F%281%2F3%29 ALIGN=MIDDLE  ALT=\"21%2F%281%2F3%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 21 * 3<BR>\n" );
document.write( "s = 63 mph<BR>\n" );
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document.write( "The equation, where d = distance from home<BR>\n" );
document.write( "d = -63t + 42<BR>\n" );
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document.write( "The slope is -63<BR>\n" );
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document.write( "the graph, vert is distance from home, horizontal is time in hrs<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+graph%28+300%2C+200%2C+-.5%2C+1%2C+-10%2C+50%2C+-63x%2B42%29+ ALIGN=MIDDLE  ALT=\"+graph%28+300%2C+200%2C+-.5%2C+1%2C+-10%2C+50%2C+-63x%2B42%29+\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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