document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=553512>Question 553512</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2.	You run 2 kilometers at 10 km/hr and then walk another 2 kilometers at 5 km/hr. What is your average speed for the whole 4-km trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #360900 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=360900\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You run 2 kilometers at 10 km/hr and then walk another 2 kilometers at 5 km/hr. What is your average speed for the whole 4-km trip?<BR>\n" );
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document.write( "t = 2/10 + 2/5 = 3/5 hr<BR>\n" );
document.write( "d = 4 km<BR>\n" );
document.write( "r = d/t = 4/(3/5)<BR>\n" );
document.write( "= 20/3 km/hr<BR>\n" );
document.write( "--------------- </SPAN>\n" );
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