document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1170602>Question 1170602</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A speedboat travels at a rate of 20 kph in still water. It travels 55 km upstream in the same time<BR>\n" );
document.write( "that it travels 90 km downstream. What is the rate of the current? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #795456 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=795456\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <PRE STYLE=\"white-space: pre-wrap; white-space: -moz-pre-wrap; white-space: -pre-wrap; white-space: -o-pre-wrap; word-wrap: break-word;\">\r\n" );
document.write( "                  SPEED       TIME            DISTANCE\r\n" );
document.write( "UPSTREAM          20-c        55/(20-c)          55\r\n" );
document.write( "DOWNSTRE          20+c        90/(20+c)          90\r\n" );
document.write( "</PRE><BR>\n" );
document.write( "The two times are described as being equal.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=55%2F%2820-c%29=90%2F%2820%2Bc%29 ALIGN=MIDDLE  ALT=\"55%2F%2820-c%29=90%2F%2820%2Bc%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-----simplify and solve. </SPAN>\n" );
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