document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1038787>Question 1038787</A>: <I><SPAN STYLE=\"word-break: break-all;\"> B travels from home to school at 6km/h and returns same route at 8km/h in 70 minutes for entire joruney. What is the distance of school\r<BR>\n" );
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document.write( "A man travels certain distance at 30km/h and returns same route at 50kmh\.h and takes 5 hours for entire journey what is the total distance </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #653533 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=653533\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> B travels from home to school at 6km/h and returns same route at 8km/h in 70 minutes for entire joruney. What is the distance of school<BR>\n" );
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document.write( "Avg speed of a round trip is similar to parallel flow and parallel resistors.<BR>\n" );
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document.write( "Avg = 2*r1*r2/(r1+r2)<BR>\n" );
document.write( "= 2*6*8/14 = 96/14 km/hr<BR>\n" );
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document.write( "70 mins = 7/6 hours<BR>\n" );
document.write( "RT distance = (48/7)*(7/6) = 8 km<BR>\n" );
document.write( "4 km one way.<BR>\n" );
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document.write( "I don't try to remember all the formulas there are, but this one is easy, only a factor of 2 difference from flow, work or resistance in parallel. </SPAN>\n" );
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