document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=759014>Question 759014</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time it takes to travel a fixed distance varies inversely as the rate of travel. If a car can cover a certain distance in 7 hours at 40 miles per hour, how fast would one need to travel in order to cover the distance in 4 hours? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #461969 by </B><A HREF=/tutors/aboutme.mpl?userid=Cromlix><B>Cromlix(4381)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Cromlix><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=Cromlix><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=461969\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Time varies inversely as rate of travel<BR>\n" );
document.write( " T = k/R<BR>\n" );
document.write( "(k is the constant of variation)<BR>\n" );
document.write( "Use given example to find k<BR>\n" );
document.write( " 7 = k/40<BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( " 280 = k<BR>\n" );
document.write( "So, formula = T = 280/R<BR>\n" );
document.write( "Using formula:<BR>\n" );
document.write( " T = 280/R<BR>\n" );
document.write( " 4 = 280/R<BR>\n" );
document.write( " R = 280/4<BR>\n" );
document.write( " R = 70 mph.<BR>\n" );
document.write( "Hope this helps.<BR>\n" );
document.write( ":-)<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );