document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1051044>Question 1051044</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the family trip to grandma's consisted of both a train ride and a car ride. the average speed of the train ride was 79 miles per hour, and the average speed of the car ride was 54 miles per hour. the entire trip lasted 7 hours. ley x be the number of hours the train ride lasted. write an expression for the total distance of the trip, in miles.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #666640 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39616)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=666640\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "              SPEED       TIME       DISTANCE\r\n" );
document.write( "TRAIN          79           x           79*(x)\r\n" );
document.write( "CAR            54          7-x         54(7-x)\r\n" );
document.write( "TOTAL                       7         79x+54(7-x)\r\n" );
document.write( "</PRE> </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );