document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72846>Question 72846</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During rush hour, Fernando can drive 35 miles using the side roads in the same time that it takes to travel 30 miles on the freeway. If Fernando's rate on the side roads is 9 mi/h faster than his rate on the freeway, find his rate on the side roads.\r<BR>\n" );
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document.write( "I came up with 65 and was wanting to check to see if this is right. Thanks. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #52127 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=52127\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Fernando can drive 35 miles using the side roads in the same time that it takes to travel 30 miles on the freeway. If Fernando's rate on the side roads is 9 mi/h faster than his rate on the freeway, find his rate on the side roads.<BR>\n" );
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document.write( "Let s = his speed on the side roads<BR>\n" );
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document.write( "Then (s-9) = his speed on the freeway<BR>\n" );
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document.write( "Since the times are equal, write a time equation; time = dist/speed:<BR>\n" );
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document.write( "Sideroad time = freeway time<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=35%2Fs ALIGN=MIDDLE  ALT=\"35%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30%2F%28%28s-9%29%29 ALIGN=MIDDLE  ALT=\"30%2F%28%28s-9%29%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Cross multiply and you have:<BR>\n" );
document.write( "35(s-9) = 30s<BR>\n" );
document.write( "35s - 315 = 30s<BR>\n" );
document.write( "35s - 30s = + 315<BR>\n" );
document.write( "5s = 315<BR>\n" );
document.write( "s = 63 mph on the side-road, you were close<BR>\n" );
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document.write( "Check to see if the times are, in fact equal. Freeway speed: 63-9 = 54 mph<BR>\n" );
document.write( "30/54 = .556<BR>\n" );
document.write( "35/63 = .556\r<BR>\n" );
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