document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=270131>Question 270131</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 3 hours to drive 135 miles you drive 55 miles per hour on highways and 40 miles per hour the remaining time how much time did you spend driving each speed? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #197934 by </B><A HREF=/tutors/aboutme.mpl?userid=palanisamy><B>palanisamy(496)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=palanisamy><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=197934\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the time taken to drive 55 miles per hour on highways =x<BR>\n" );
document.write( "Let the time taken to drive 40 miles per hour =y<BR>\n" );
document.write( "Then, total time  x+y=3 ...(1)<BR>\n" );
document.write( "Total distance  55x+40y=135 ...(2)<BR>\n" );
document.write( "(1)*40=>        40x+40y=120 ...(3)<BR>\n" );
document.write( "(2)-(3)=>       15x=15<BR>\n" );
document.write( "x=1<BR>\n" );
document.write( "y=3-1=2 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );