document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1104387>Question 1104387</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Harry drove for 5 hours on the&#8203; freeway, then decreased his speed by 20 miles per hour and drove for 2 more hours on a country road. If his total trip was 4422 &#8203;miles, then what was his speed on the&#8203; freeway </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #719115 by </B><A HREF=/tutors/aboutme.mpl?userid=addingup><B>addingup(3677)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=addingup><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/cgi-bin/show-face.mpl?user=addingup><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=719115\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> he drove 4422 miles? That's a lot of miles!<BR>\n" );
document.write( "Distance:<BR>\n" );
document.write( "5 hours at speed x = 5x<BR>\n" );
document.write( "2 hours at speed x-20 = 4422-2(x-20)<BR>\n" );
document.write( "5x = 4422-2x-40<BR>\n" );
document.write( "7x = 4382\r<BR>\n" );
document.write( "\n" );
document.write( "distance at x-20: 4422-5x<BR>\n" );
document.write( "5x+2(x-20) = 4422<BR>\n" );
document.write( "5x+2x-40 = 4442<BR>\n" );
document.write( "7x = 4382<BR>\n" );
document.write( "x = 626 In order to drive 4422 at 5x + 2(x-20), he would have to drive the first 5 hours at 626 miles per hour. Is he driving a jet plane? </SPAN>\n" );
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