document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334008>Question 334008</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Duane drove at a steady speed for 4 hours on the turnpike. He then slowd his traveling speed by 12 miles per hour for traveling on secondary roads. The entire trip took 7 hours and covered 398 miles. What was his speed on the turnpike? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #239359 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=239359\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let speed on turnpike be x mph<BR>\n" );
document.write( "distance traveled = 4x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "speed on secondary road = x-12<BR>\n" );
document.write( "distance traveled = 398-4x<BR>\n" );
document.write( "..<BR>\n" );
document.write( "time = 398-4x / x-12 <BR>\n" );
document.write( "..<BR>\n" );
document.write( "398-4x / x-12 + 4 = 7<BR>\n" );
document.write( "398-4x / x-12 = 3<BR>\n" );
document.write( "3(x-12) = 398-4x<BR>\n" );
document.write( "3x-36= 398- 4x<BR>\n" );
document.write( "7x = 398 +36<BR>\n" );
document.write( "7x=434<BR>\n" );
document.write( "x= 62 mph on turnpike </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );