document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=72140>Question 72140</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395977258/algebrahomeworkh>Algebra and Trigonometry: Structure and Method </A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Elizabeth drove the first half of a trip at 36 mi/h. At what speed should she cover the remaining half in order to average 45 mi/h for the whole trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #51576 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=51576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 36/2+X/2=45<BR>\n" );
document.write( "36/2+X/2=45<BR>\n" );
document.write( "(36+X)/2=45<BR>\n" );
document.write( "90=36+X<BR>\n" );
document.write( "X=90-36<BR>\n" );
document.write( "X=54 MPH FOR THE LAST HALF OF THE TRIP.<BR>\n" );
document.write( "PROOF<BR>\n" );
document.write( "36/2+54/2=45<BR>\n" );
document.write( "18+27=45<BR>\n" );
document.write( "45=45 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );