document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1065165>Question 1065165</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An engieer is studying a busyintersection. In 1 hour, the number of cars going north-south was 3/4 of going east-west, and the total number of cars was 1400. Find the number of cars going north-south and east-west. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #680272 by </B><A HREF=/tutors/aboutme.mpl?userid=JulietG><B>JulietG(1812)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=JulietG><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=JulietG><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=680272\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let N be north-south<BR>\n" );
document.write( "Let W be east-west<BR>\n" );
document.write( "We know from the question that N =.75W.  Also, that N + W = 1400.<BR>\n" );
document.write( "Substitute.<BR>\n" );
document.write( "N + W = 1400<BR>\n" );
document.write( ".75W + W = 1400<BR>\n" );
document.write( "1.75W = 1400<BR>\n" );
document.write( "Divide each side by 1.75<BR>\n" );
document.write( "W = 800<BR>\n" );
document.write( "If 800 cars went east/west, then 1400-800=600 cars went north/south.<BR>\n" );
document.write( "Does 600 equal 3/4 of 800?  Yes.  Therefore, the answer is correct. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );