document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=747653>Question 747653</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Starting from home,James traveled uphill to the office supply store for 75 minutes for 4 mph. He traveled back home along the same path downhill at a speed of 12 mph. What is the average speed for the entire trip from home to the office supply store and back?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #455072 by </B><A HREF=/tutors/aboutme.mpl?userid=MathTherapy><B>MathTherapy(10555)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=MathTherapy><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=MathTherapy><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=455072\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Starting from home,James traveled uphill to the office supply store for 75 minutes for 4 mph. He traveled back home along the same path downhill at a speed of 12 mph. What is the average speed for the entire trip from home to the office supply store and back? \r<BR>\n" );
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document.write( "Distance to supply store = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%2875%2F60%29+%2A+4 ALIGN=MIDDLE  ALT=\"%2875%2F60%29+%2A+4\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285%2F4%29+%2A+%284%2F1%29 ALIGN=MIDDLE  ALT=\"%285%2F4%29+%2A+%284%2F1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or 5 miles<BR>\n" );
document.write( "Since distance to store is 5 miles, then distance back home = 5 miles also<BR>\n" );
document.write( "Therefore, time taken to travel home = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=5%2F12 ALIGN=MIDDLE  ALT=\"5%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr\r<BR>\n" );
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document.write( "Average speed = Total distance ÷ total time\r<BR>\n" );
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document.write( "Average speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%285+%2B+5%29%2F%285%2F4+%2B+5%2F12%29 ALIGN=MIDDLE  ALT=\"%285+%2B+5%29%2F%285%2F4+%2B+5%2F12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------- <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F%2815%2F12+%2B+5%2F12%29 ALIGN=MIDDLE  ALT=\"10%2F%2815%2F12+%2B+5%2F12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F%2820%2F12%29 ALIGN=MIDDLE  ALT=\"10%2F%2820%2F12%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Average speed = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F1 ALIGN=MIDDLE  ALT=\"10%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > ÷ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=20%2F12 ALIGN=MIDDLE  ALT=\"20%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10%2F1 ALIGN=MIDDLE  ALT=\"10%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=12%2F20 ALIGN=MIDDLE  ALT=\"12%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=cross%2810%29%2F1 ALIGN=MIDDLE  ALT=\"cross%2810%29%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" > * <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6cross%2812%29%2Fcross%282%29cross%2820%29 ALIGN=MIDDLE  ALT=\"6cross%2812%29%2Fcross%282%29cross%2820%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > ------ <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6%2F1 ALIGN=MIDDLE  ALT=\"6%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" >, or <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight_green%286%29 ALIGN=MIDDLE  ALT=\"highlight_green%286%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > mph </SPAN>\n" );
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