document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=164029>Question 164029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Spike averaged 45 mph driving from Rochester to Syracuse and 49 mph driving from Syracuse to Albany. If he drove a total of 237 miles in 5 hours, then how far is it from Syracuse to Albany? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #120858 by </B><A HREF=/tutors/aboutme.mpl?userid=alicealc><B>alicealc(293)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=alicealc><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=120858\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let:<BR>\n" );
document.write( "time to travel from Rochester to Syracuse = x<BR>\n" );
document.write( "time to travel from Syracuse to Albany = y\r<BR>\n" );
document.write( "\n" );
document.write( "the equation system will be:<BR>\n" );
document.write( "x + y = 5<BR>\n" );
document.write( "45x + 49y = 237\r<BR>\n" );
document.write( "\n" );
document.write( "multiply the first equation by 45, we get:<BR>\n" );
document.write( "45x + 45y = 225\r<BR>\n" );
document.write( "\n" );
document.write( "use the elimination process:<BR>\n" );
document.write( "45x + 45y = 225<BR>\n" );
document.write( "45x + 49y = 237 -<BR>\n" );
document.write( "---------------<BR>\n" );
document.write( "     -4y = -12<BR>\n" );
document.write( "      y = 3\r<BR>\n" );
document.write( "\n" );
document.write( "then calculate the distance from Syracuse to Albany:<BR>\n" );
document.write( "  distance = 49y = 49*3 = 147 miles<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );