document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=348602>Question 348602</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two cars leave an intersection at the same time. One is headed south at a constant speed of 30 miles per hour; the other is headed west at a constant speed of 40 miles per hour. What is the distance between the cars in 30 minutes? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #249216 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=249216\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> southbound speed = 30 mph<BR>\n" );
document.write( "westbound speed = 40 mph<BR>\n" );
document.write( "...<BR>\n" );
document.write( "in half hour they have traveled<BR>\n" );
document.write( "15 miles and 20 miles repectively.<BR>\n" );
document.write( "Their position and the intersection form a right triangle<BR>\n" );
document.write( "..<BR>\n" );
document.write( "15^2+20^= D^2<BR>\n" );
document.write( "225+400=D^2<BR>\n" );
document.write( "625= D^2<BR>\n" );
document.write( "D= sqrt 625<BR>\n" );
document.write( "D= 25 miles </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );