document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1103089>Question 1103089</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A ship can cover a certain distance in 10 hours at a speed of 16 nautical miles per hour. By how much should its speed be increased so that it takes only 8 hours to cover the same distance? (A nautical mile in a unit of measurement used at sea distance or sea water i.e. 1852 metres)\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #717773 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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/cgi-bin/show-face.mpl?user=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=717773\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A ship can cover a certain distance in 10 hours at a speed of 16 nautical miles per hour. By how much should its speed be increased so that it takes only 8 hours to cover the same distance? <BR>\n" );
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document.write( "d = r*t = 16*10 = 160 nm<BR>\n" );
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document.write( "t = d/r<BR>\n" );
document.write( "8 = 160/r<BR>\n" );
document.write( "r = 20 knots<BR>\n" );
document.write( "An increase of 4 knots.<BR>\n" );
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document.write( "1 knot = 1 nm/hr </SPAN>\n" );
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