document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=184448>Question 184448</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A boy rows 6 miles downstream in 64 minutes. He rows back at the same rate in 180 minutes. Find the rate of the stream and the boy's rate 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 #138447 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=138447\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A boy rows 6 miles downstream in 64 minutes. He rows back at the same rate in 180 minutes. Find the rate of the stream and the boy's rate in still water.<BR>\n" );
document.write( "-----------------------------------<BR>\n" );
document.write( "Downstream DATA:<BR>\n" );
document.write( "time = 64 minutes ; distance = 6 miles ; rate = d/t = 6/64 miles per minute<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "Upstream DATA:<BR>\n" );
document.write( "time = 180 minutes ; distance = 6 miles ; rate = d/t = 6/108 miles per minute<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "EQUATIONS:<BR>\n" );
document.write( "b + c = 6/64<BR>\n" );
document.write( "b - c = 6/108<BR>\n" );
document.write( "----------------<BR>\n" );
document.write( "2b = 6/64 + 6/108\r<BR>\n" );
document.write( "\n" );
document.write( "b = 3/64 + 3/108\r<BR>\n" );
document.write( "\n" );
document.write( "b = 0.07465 miles per minute\r<BR>\n" );
document.write( "\n" );
document.write( "b = .4.48 miles per hour (speed of the boy in still water)<BR>\n" );
document.write( "=============================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );