document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=702270>Question 702270</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "A motor boat goes downstream and covers a distance in 4 hours while it covers the same distance upstream in 5 hours.If the speed of the stream is 3 km/h, find the speed of the motor boat in still water. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #432897 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley79><B>checkley79(3341)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley79><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=432897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "D=(R+S)*4<BR>\n" );
document.write( "D=(R-S)*5<BR>\n" );
document.write( "(R+3)*4=(R-3)*5<BR>\n" );
document.write( "4R+12=5R-15<BR>\n" );
document.write( "4R-5R=-15-12<BR>\n" );
document.write( "-R=-27<BR>\n" );
document.write( "R=27 MPH. FOR THE BOAT SPEED IN STILL WATER.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "(27+3)*4=(27-3)*5<BR>\n" );
document.write( "30*4=24*5<BR>\n" );
document.write( "120=120<BR>\n" );
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