document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=286906>Question 286906</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am needing a refresher on word problems, its easy but i am unsure of myself\r<BR>\n" );
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document.write( "1. you and a friend take turns driving on a 450 mile trip. your friend drives for 3.5 hours at an average speed of 60 miles per hour. what must your average speed be for the remainder of the trip if you want to reach your hotel in 4 more hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #208051 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=208051\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> If \"your friend drives for 3.5 hours at an average speed of 60 miles per hour\", then your friend has driven <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=rt=60%2A3.5=210 ALIGN=MIDDLE  ALT=\"D=rt=60%2A3.5=210\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles. So you need to drive <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=450-210=240 ALIGN=MIDDLE  ALT=\"450-210=240\"   DISABLED_style= \"max-width:90%; height:auto;\" > more miles to complete the trip.\r<BR>\n" );
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document.write( "Now using <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=D=rt ALIGN=MIDDLE  ALT=\"D=rt\"   DISABLED_style= \"max-width:90%; height:auto;\" >, plug in D=240 (the amount of distance you need to cover) and t=4 (the amount of time you want to travel) to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240=r%2A4 ALIGN=MIDDLE  ALT=\"240=r%2A4\"   DISABLED_style= \"max-width:90%; height:auto;\" >. Divide both sides by 4 to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=240%2F4=r ALIGN=MIDDLE  ALT=\"240%2F4=r\"   DISABLED_style= \"max-width:90%; height:auto;\" > and reduce to get <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r=60 ALIGN=MIDDLE  ALT=\"r=60\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "So you need to average 60 mph.<BR>\n" );
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