document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=306483>Question 306483</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Car A travels 180 miles in the same time it takes Car B to travel 120 miles.  If one car is going 20 mph faster than the other car, find both speeds.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #219352 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=219352\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "180=(R+20)T<BR>\n" );
document.write( "T=180/(R+20)<BR>\n" );
document.write( "120=RT<BR>\n" );
document.write( "T=120/R<BR>\n" );
document.write( "SET THE 2 T EQUATIONS EQUAL.<BR>\n" );
document.write( "180/(R+20)=120/R CROSS MULTIPLY.<BR>\n" );
document.write( "180R=120(R+20)<BR>\n" );
document.write( "180R=120R+2,400<BR>\n" );
document.write( "180R-120R=2,400<BR>\n" );
document.write( "60R=2,400<BR>\n" );
document.write( "R=2,400/60<BR>\n" );
document.write( "R=40 mph. for the slower car.<BR>\n" );
document.write( "40+20=60 mph. for the faster car.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( "180/60=120/40<BR>\n" );
document.write( "3=3 ans. for the travel time.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );