document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=205886>Question 205886</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi, \r<BR>\n" );
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document.write( "steve traveled 600 miles at a certain speed. Had he gone 20mph faster, the trip would have taken 1 hour less. Find the speed of his vehicle.\r<BR>\n" );
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document.write( "Thank you </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #155484 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=155484\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT OR T=D/R<BR>\n" );
document.write( "T=600/R<BR>\n" );
document.write( "(T-1)=600/(R+20)<BR>\n" );
document.write( "T=600/(R+20)+1<BR>\n" );
document.write( "600/R=600/(R+20)+1<BR>\n" );
document.write( "600/R=(600+R+20)/R+20<BR>\n" );
document.write( "600(R+20)=R(R+620)<BR>\n" );
document.write( "600R+12000=R^2+620R<BR>\n" );
document.write( "R^2+620R-600R-12000=0<BR>\n" );
document.write( "R^2+20R-1,2000=0<BR>\n" );
document.write( "(R-100)(R+120)=0<BR>\n" );
document.write( "R-100=0<BR>\n" );
document.write( "R=100 MPH ANS. FOR THE LONGEST TIME TRIP<BR>\n" );
document.write( "R=100+20=120 MPH ANS. FOR THE 1 HOUR SHORTENED TRIP.<BR>\n" );
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