document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=69676>Question 69676</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During rush hour, Ella can drive 40 miles using the side roads in the same time that it takes to travel 15 miles on the freeway.  If Ella's rate on the side roads is 10 mi/h faster than her rate on the freeway, find her rate on the side roads.\r<BR>\n" );
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document.write( "I need help with this one, please? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #49615 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=49615\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Let x=Ella's rate on the freeway<BR>\n" );
document.write( "Then x+10=her rate on the side roads\r<BR>\n" );
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document.write( "distance (d) = rate(r) times time (t) or d=rt and t=d/r \r<BR>\n" );
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document.write( "Time it takes to drive 40 mi on side roads=<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2F%28x%2B10%29 ALIGN=MIDDLE  ALT=\"40%2F%28x%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Time it takes to drive 15 mi on freeway =<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2Fx ALIGN=MIDDLE  ALT=\"15%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Now we are told that the above times are equal, so our equation to solve is:\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40%2F%28x%2B10%29=15%2Fx ALIGN=MIDDLE  ALT=\"40%2F%28x%2B10%29=15%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >  multiply both sides by x(x+10):\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40x=15%28x%2B10%29 ALIGN=MIDDLE  ALT=\"40x=15%28x%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >} get rid of parens\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40x=15x%2B150 ALIGN=MIDDLE  ALT=\"40x=15x%2B150\"   DISABLED_style= \"max-width:90%; height:auto;\" >  subtract 15x from both sides\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25x=150 ALIGN=MIDDLE  ALT=\"25x=150\"   DISABLED_style= \"max-width:90%; height:auto;\" >  divide both sides by x\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=6+mph ALIGN=MIDDLE  ALT=\"x=6+mph\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------------------rate on freeway\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B10=6%2B10=16+mph ALIGN=MIDDLE  ALT=\"x%2B10=6%2B10=16+mph\"   DISABLED_style= \"max-width:90%; height:auto;\" >------------------rate on the side roads\r<BR>\n" );
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document.write( "CK\r<BR>\n" );
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document.write( "d=rt\r<BR>\n" );
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document.write( "15=6t; t=2.5 hr\r<BR>\n" );
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document.write( "40=16t; t=2.5 hr\r<BR>\n" );
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document.write( "Hope this helps---ptaylor </SPAN>\n" );
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