document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=655413>Question 655413</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your friend flew to Miami in a plane that averaged 600 mi/h. She drove back home, averaging 50 mi/h. What is her average speed in miles per hour for the whole trip? Assume the distances by plane and car are equal. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #409108 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=409108\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your friend flew to Miami in a plane that averaged 600 mi/h. She drove back home, averaging 50 mi/h. What is her average speed in miles per hour for the whole trip? Assume the distances by plane and car are equal.<BR>\n" );
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document.write( "Avg speed = 2*600*50/(600 + 50)  (proof available)<BR>\n" );
document.write( "= 60000/650<BR>\n" );
document.write( "=~ 92.3077 mi/hr </SPAN>\n" );
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