document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=647267>Question 647267</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Write an algebraic expression for the verbal description.\r<BR>\n" );
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document.write( "The travel time for a plane traveling at a rate of r kilometers per hour for 640 kilometers. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #406080 by </B><A HREF=/tutors/aboutme.mpl?userid=colliefan><B>colliefan(242)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=colliefan><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=406080\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> speed or rate = distance/time <BR>\n" );
document.write( "r=d/t<BR>\n" );
document.write( "rt=d<BR>\n" );
document.write( "t=d/r<BR>\n" );
document.write( "t=640 km/r \r<BR>\n" );
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document.write( "Check out the unit factor and dimensional analysis for the easiest way to solve such problems. You'll find it if you search for it. Bug your teacher to explain it. A chemistry teacher may use it more often than a math teacher. </SPAN>\n" );
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