document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=433605>Question 433605</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Andy’s average driving speed for a 4-hour trip<BR>\n" );
document.write( "was 45 miles per hour. During the first 3 hours he drove 40 miles per hour. What was his average speed for the last hour of his trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #300623 by </B><A HREF=/tutors/aboutme.mpl?userid=robertb><B>robertb(5830)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=robertb><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=robertb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=300623\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=45+=+%28120+%2B+x%29%2F4 ALIGN=MIDDLE  ALT=\"45+=+%28120+%2B+x%29%2F4\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "==> 180 = 120 + x<BR>\n" );
document.write( "==> x = 60 miles in the last hour of the trip<BR>\n" );
document.write( "==> his average speed for the last hour of the trip is 60 miles per hour. </SPAN>\n" );
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