document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=175968>Question 175968</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe drove to work on Monday at 45 mph and arrived 1 minute early. On Tuesday he drove at 40 mph and arrived 1 minute late.\r<BR>\n" );
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document.write( "a) How far does Joe live from work?<BR>\n" );
document.write( "b) What speed does he normally travel?<BR>\n" );
document.write( "c) How fast should he go to arrive 5 minutes early? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #131077 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley75><B>checkley75(3666)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley75><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=131077\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> d=rt<BR>\n" );
document.write( "45(t-1/60)=40(t+1/60)<BR>\n" );
document.write( "45t-45/60=40t+45/60<BR>\n" );
document.write( "45t-40t=90/60<BR>\n" );
document.write( "5t=1.5<BR>\n" );
document.write( "t=1.5/5<BR>\n" );
document.write( "t=3 hours is his normal driving time.<BR>\n" );
document.write( "a)45(3-1/60)=135-45/60=135-.75=134.25 miles.<BR>\n" );
document.write( "b)(45-40)/2=85/2=42.5 mph.<BR>\n" );
document.write( "c) 134.25=r(3-5/60)<BR>\n" );
document.write( "134.25=3r-15/60<BR>\n" );
document.write( "134.25+.25=3r<BR>\n" );
document.write( "134.50=3r<BR>\n" );
document.write( "r=134.5/3<BR>\n" );
document.write( "r=44.8333 mph is his speed in order to arive 5 minutes early.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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