document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=293216>Question 293216</A>: <I><SPAN STYLE=\"word-break: break-all;\"> if john travel 10 miles at 5 miles per hour,12 miles at 4 miles per hour, and 18 in three hours, what was his average speed for the trip </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #211669 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=211669\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Notice: It is 18 in three hours for 6 mph <BR>\n" );
document.write( "It is not (5+4+6)/3=15/3=5 mph<BR>\n" );
document.write( "d=r*t<BR>\n" );
document.write( "10=5*2<BR>\n" );
document.write( "12=4*3<BR>\n" );
document.write( "18=6*3<BR>\n" );
document.write( "average r=d/t<BR>\n" );
document.write( "(10+12+18)/(2+3+3)=40/8=5 mph<BR>\n" );
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