document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=442895>Question 442895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jenna went kayaking with Tom. They traveled 8 miles upstream. On their way back, they traveled 5 miles downstream. The current has a speed of 1 mile per hour. If Jenna and Tom traveled at an average speed of r miles per hour, how would you find the total time it took them to make one round trip? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #305733 by </B><A HREF=/tutors/aboutme.mpl?userid=rwm><B>rwm(914)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=rwm><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=305733\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> (r-1)*t=8<BR>\n" );
document.write( "(r+1)*T=5<BR>\n" );
document.write( "we have 2 equations but three unknowns<BR>\n" );
document.write( "TT=t+T<BR>\n" );
document.write( "We have 3 equations but 4 unknowns\r<BR>\n" );
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document.write( "We can only solve for TT in terms of variables since we don't have enough info to get a number answer.<BR>\n" );
document.write( " </SPAN>\n" );
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