document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=712328>Question 712328</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A car travels along a straight line at a constant speed of 62.5 mi/h for a distance d and then another distance d in the same direction at another constant speed. The average velocity for the entire trip is 32.5 mi/h. \r<BR>\n" );
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document.write( "I don't get how to set up this problem at all.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #437870 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=437870\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  A car travels along a straight line at a constant speed of 62.5 mi/h for a distance d and then another distance d in the same direction at another constant speed.<BR>\n" );
document.write( " The average velocity for the entire trip is 32.5 mi/h.<BR>\n" );
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document.write( "Let s = \"another constant speed\"<BR>\n" );
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document.write( "Write a time equation; time = dist/speed<BR>\n" );
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document.write( "1st dist time + 2nd dist time = total time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F62.5 ALIGN=MIDDLE  ALT=\"d%2F62.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2Fs ALIGN=MIDDLE  ALT=\"d%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282d%29%2F32.5 ALIGN=MIDDLE  ALT=\"%282d%29%2F32.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
document.write( "Multiply equation by 2031.25s (62.5*32.5),results:<BR>\n" );
document.write( "32.5sd + 2031.25d = 62.5(2sd)<BR>\n" );
document.write( "32.5sd + 2031.25d = 125sd<BR>\n" );
document.write( "divide thru by d<BR>\n" );
document.write( "32.5s + 20321.25 = 125s<BR>\n" );
document.write( "2031.25 = 125s - 32.5s<BR>\n" );
document.write( "2031.25 = 92.5s<BR>\n" );
document.write( "s = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2031.25%2F92.5 ALIGN=MIDDLE  ALT=\"2031.25%2F92.5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "s = 21.96 ~ 22 mph 0n the 2nd d<BR>\n" );
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document.write( "Check this using d = 100, see if it is true<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2F62.5 ALIGN=MIDDLE  ALT=\"100%2F62.5\"   DISABLED_style= \"max-width:90%; height:auto;\" > + <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=100%2F22 ALIGN=MIDDLE  ALT=\"100%2F22\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28200%29%2F32.5 ALIGN=MIDDLE  ALT=\"%28200%29%2F32.5\"   DISABLED_style= \"max-width:90%; height:auto;\" >  </SPAN>\n" );
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