document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=330579>Question 330579</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hypatia could row 90 miles downstream in 6 hours but required 8 hours to row 72 miles upstream. What was her speed in still water and what was the speed 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 #237025 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=237025\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "90=R*6<BR>\n" );
document.write( "R=90/6<BR>\n" );
document.write( "R=15 MPH.<BR>\n" );
document.write( "72=R*8<BR>\n" );
document.write( "R=72/8<BR>\n" );
document.write( "R=9 MPH.<BR>\n" );
document.write( "(15+9)/2=24/2=12 MPH. IS THE RATE OF BOAT IN STILL WATER.<BR>\n" );
document.write( "(15-9)/2=6/2=3 MPH. IS THE RATE OF THE STREAM.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "90=(12+3)*6<BR>\n" );
document.write( "90=15*6<BR>\n" );
document.write( "90=90<BR>\n" );
document.write( "72=(12-3)*8<BR>\n" );
document.write( "72=9*8<BR>\n" );
document.write( "72=72<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );