document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=885773>Question 885773</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a 900-mile trip between Palm Beach and Washington, a plane averaged 450 miles per hour. On the return trip, the plane averaged 300 miles per hour. What was the average rate of speed for tge round trip, in miles per hour? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #535420 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=535420\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> On a 900-mile trip between Palm Beach and Washington, a plane averaged 450 miles per hour. On the return trip, the plane averaged 300 miles per hour. What was the average rate of speed for tge round trip, in miles per hour?<BR>\n" );
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document.write( "Avg speed of a round trip is similar to parallel flows.<BR>\n" );
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document.write( "Avg = 2*450*300/(450 + 300) = 270000/750<BR>\n" );
document.write( "Avg = 360 mi/hr<BR>\n" );
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document.write( "The distance does not matter. </SPAN>\n" );
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