document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=718835>Question 718835</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jeff drove 60 mph to his house. On the way back to school he drove 75 mph and it took him 1 hour less than it did to drive home. \r<BR>\n" );
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document.write( "a) What was the total driving time for Jeff?\r<BR>\n" );
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document.write( "b) How far is Jeff's school from home? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #441088 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=441088\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jeff drove 60 mph to his house. On the way back to school he drove 75 mph and it took him 1 hour less than it did to drive home. <BR>\n" );
document.write( "a) What was the total driving time for Jeff? <BR>\n" );
document.write( "b) How far is Jeff's school from home?<BR>\n" );
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document.write( "let x=travel time from school to home<BR>\n" );
document.write( "x-1=travel time from home to school<BR>\n" );
document.write( "distance=travel time*speed<BR>\n" );
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document.write( "60x=75(x-1)<BR>\n" );
document.write( "60x=75x-75<BR>\n" );
document.write( "15x=75<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "x-1=4<BR>\n" );
document.write( "60x=300<BR>\n" );
document.write( "a) total driving time=9 hrs<BR>\n" );
document.write( "b) How far is Jeff's school from home? 300 mi </SPAN>\n" );
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