document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=723517>Question 723517</A>: <I><SPAN STYLE=\"word-break: break-all;\"> \r<BR>\n" );
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document.write( "Joe's boat can go down stream 10 miles in the same time it goes up stream 8 miles. The current of the stream is 2 mph. How fast does Joes boat go 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 #443234 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=443234\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> D=RT<BR>\n" );
document.write( "10=(R+2)T<BR>\n" );
document.write( "T=10/(R+2)<BR>\n" );
document.write( "8=(R-2)T<BR>\n" );
document.write( "T=8/(R-2)<BR>\n" );
document.write( "10/(R+2)=8/(R-2) CROSS MULTIPLY.<BR>\n" );
document.write( "8(R+2)=10(R-2)<BR>\n" );
document.write( "8R+16=10R-20<BR>\n" );
document.write( "8R-10R=-20-16<BR>\n" );
document.write( "-2R=-36<BR>\n" );
document.write( "R=-36/-2<BR>\n" );
document.write( "R=18 MPH FOR THE BOAT IN STILL WATER.<BR>\n" );
document.write( "PROOF:<BR>\n" );
document.write( "10=(18+2)T<BR>\n" );
document.write( "10=20T<BR>\n" );
document.write( "T=20/10<BR>\n" );
document.write( "T=2 HOURS.<BR>\n" );
document.write( "8=(18-2)T<BR>\n" );
document.write( "8=16T<BR>\n" );
document.write( "T=16/8<BR>\n" );
document.write( "T=2 HOURS.\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );