document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=23409>Question 23409</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need your help with this problem. \r<BR>\n" );
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document.write( "A boat traveled 96 miles in 8 hours against the current.  The boat returned to its starting point following the saame course traveling with the current.  The return trip took 5 hours.  What is the speed of the current and the speed of the 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 #12193 by </B><A HREF=/tutors/aboutme.mpl?userid=Paul><B>Paul(988)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Paul><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=12193\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let y be the current and let x be the boat;s speed<BR>\n" );
document.write( "8(x-y)=96 -----> 8x-8y=96 (equation 1 )<BR>\n" );
document.write( "5(x+y)=96 -----> 5x+5y=96 (equation 2 )\r<BR>\n" );
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document.write( "Mutliply equation 1 by 5 -----> 40x-40y=480<BR>\n" );
document.write( "Multiply equation 2 by 8 -----> 40x+40y=768<BR>\n" );
document.write( "Add the equations:\r<BR>\n" );
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document.write( "80x=1248<BR>\n" );
document.write( "x=15.6\r<BR>\n" );
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document.write( "5(15.6)+5y=96<BR>\n" );
document.write( "78+5y=96<BR>\n" );
document.write( "5y=18<BR>\n" );
document.write( "y=3.6\r<BR>\n" );
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document.write( "Hence the speed of the boat is 15.6mph and the speed of the current is 3.6mph.\r<BR>\n" );
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document.write( " </SPAN>\n" );
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