document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1055078>Question 1055078</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The speed of a stream is 5 mph. A boat travels 2 miles upstream in the same time it takes to travel 12 miles downstream. What is the speed of the boat in still&#8203; water? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #670271 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=670271\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The speed of a stream is 5 mph. A boat travels 2 miles upstream in the same time it takes to travel 12 miles downstream. What is the speed of the boat in still&#8203; water? <BR>\n" );
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document.write( "Upstream DATA:<BR>\n" );
document.write( "distance = 2 miles ; rate = b-5 mph ; time = d/r = 2/(b-5) hrs<BR>\n" );
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document.write( "Downstream DATA:<BR>\n" );
document.write( "dist = 12 miles ; rate = b+5 mph ; time = 12/(b+5) hrs<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "2/(b-5) = 12/(b+5)<BR>\n" );
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document.write( "2b + 10 = 12b - 60<BR>\n" );
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document.write( "10b = 70<BR>\n" );
document.write( "boat speed = 7 mph (speed in still water)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );