document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=744508>Question 744508</A>: <I><SPAN STYLE=\"word-break: break-all;\"> it takes a boat 9 hours to go a distance of 270 miles against the current and 3 hours to make the return trip with the current. Find the rate 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 #453339 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=453339\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">  it takes a boat 9 hours to go a distance of 270 miles against the current and 3 hours to make the return trip with the current. Find the rate of the current<BR>\n" );
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document.write( "Against current:<BR>\n" );
document.write( "rate = 270/9 = 30 mph<BR>\n" );
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document.write( "With current:<BR>\n" );
document.write( "rate = 270/3 = 90 mph<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "b + c = 90 mph<BR>\n" );
document.write( "b - c = 30 mph<BR>\n" );
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document.write( "2b = 120<BR>\n" );
document.write( "b = 60 mph<BR>\n" );
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document.write( "Solve for \"c\":<BR>\n" );
document.write( "b + c = 90<BR>\n" );
document.write( "60 + c = 90<BR>\n" );
document.write( "current = 30 mph<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
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