document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=675517>Question 675517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bus took a 330 mile trip in 7 hours. The speed was 54 mph for the first part of the trip, and 30 mph for the return trip. How many hours were traveled at 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 #419887 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=419887\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A bus took a 330 mile trip in 7 hours. The speed was 54 mph for the first part of the trip, and 30 mph for the return trip. How many hours were traveled at each speed? <BR>\n" );
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document.write( "1st Part DATA:<BR>\n" );
document.write( "rate = 54 mph ; time = x hrs ; distance = 54x miles<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "2nd Part DATA:<BR>\n" );
document.write( "rate = 30 mph ; time = 7-x hrs ; distance = 30(7-x) miles<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "distance + distance = 330 miles<BR>\n" );
document.write( "54x + 210 - 30x = 330<BR>\n" );
document.write( "24x = 120<BR>\n" );
document.write( "x = 5 hrs (time for 1st part)<BR>\n" );
document.write( "7-x = 2 hrs (time for 2nd part)<BR>\n" );
document.write( "=================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );