document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=824121>Question 824121</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man cycled a distance of 42km from his village. On his return journey he increased his speed by 2km/hr and took half an hour less. Calculate the average speed on the journey from his village. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #496102 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=496102\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A man cycled a distance of 42km from his village. On his return journey he increased his speed by 2km/hr and took half an hour less. Calculate the average speed on the journey from his village.<BR>\n" );
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document.write( "d = r*t<BR>\n" );
document.write( "42 = r*t<BR>\n" );
document.write( "t = 42/r<BR>\n" );
document.write( "t - 0.5 = 42/(r+2)<BR>\n" );
document.write( "42/r = 0.5 + 42/(r+2)<BR>\n" );
document.write( "Solve for r<BR>\n" );
document.write( " </SPAN>\n" );
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