document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169350>Question 169350</A>: <I><SPAN STYLE=\"word-break: break-all;\"> During the first part of a trip, a canoeist travels 90 miles at a certain speed. The canoeist travels 16 miles on the second part or the trip at a speed 5 mph slower. The total time for the trip is 5 hours. What is the speed on each part of the trip?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124921 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=124921\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let x=\"speed on 2nd part\", so x+5=\"speed on 1st part\" __ t=d/r\r<BR>\n" );
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document.write( "90/(x+5) + 16/x = 5 __ multiplying by x(x+5) __ 90x+16x+80=5x^2+25x\r<BR>\n" );
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document.write( "5x^2-81x-80=0 __ use quadratic formula to find x\r<BR>\n" );
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document.write( "ANSWER BELOW\r<BR>\n" );
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document.write( "x=17.13 (approx) </SPAN>\n" );
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