document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=658946>Question 658946</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two buses leave atlanta at the same time traveling in opposite directions. One travels at an average speed of 75 mph and the other at 60mph. In how many hours will they be 405 miles apart? Let x= time of travel for the first bus and y= time of travel for the second bus. Then the system that models the problem is {x = y<BR>\n" );
document.write( "{75x+60y=405  .. Please help me RIGHT AWAY!  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #410553 by </B><A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><B>jim_thompson5910(35256)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=jim_thompson5910><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=410553\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hint:\r<BR>\n" );
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document.write( "If x = y, then you can replace either x or y with the other variable.\r<BR>\n" );
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document.write( "So you can replace x or y (or vice versa)\r<BR>\n" );
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document.write( "Let's replace x with y in the second equation\r<BR>\n" );
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document.write( "75x+60y=405\r<BR>\n" );
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document.write( "75y+60y=405\r<BR>\n" );
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document.write( "Now solve for y. Once you have y, you automatically know x (since x = y) </SPAN>\n" );
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