document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=334727>Question 334727</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Mike drove at a rate of 40 miles per hour. He returned by the same route at a rate of 45 miles per hour. The driving time for the round trip was 4 hours. What is the distance Mike traveled? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #240115 by </B><A HREF=/tutors/aboutme.mpl?userid=nyc_function><B>nyc_function(2741)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nyc_function><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=nyc_function><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=240115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=rt<BR>\n" );
document.write( "D =rt1<BR>\n" );
document.write( "D= 40t1<BR>\n" );
document.write( "similarly <BR>\n" );
document.write( "D=45t2<BR>\n" );
document.write( "40t1=45t2<BR>\n" );
document.write( "t1/t2 =45/40=9/8<BR>\n" );
document.write( "t1=9t2/8<BR>\n" );
document.write( "t1+t2= 4<BR>\n" );
document.write( "9t2/8 +t2 =4<BR>\n" );
document.write( "17t2 = 32<BR>\n" );
document.write( "t2 =32/17hours and t1=36/17hours.<BR>\n" );
document.write( "D =45*32/17 =40*36/17<BR>\n" );
document.write( "D= 84.71 miles.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );