document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129984>Question 129984</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A person traveling 4 hr by plane and 25 hr by ship covers 1580 miles. If the speed of the plane had been one-half of the actual speed and the speed of the ship had been one-fourth greater, the person would have traveled only 1315 miles in the same length of time. Find the speeds of the plane  and the ship..<BR>\n" );
document.write( "          Having a problem with this one ......thank you.. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94956 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=94956\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A person traveling 4 hr by plane and 25 hr by ship covers 1580 miles. If the speed of the plane had been one-half of the actual speed and the speed of the ship had been one-fourth greater, the person would have traveled only 1315 miles in the same length of time. Find the speeds of the plane and the ship..<BR>\n" );
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document.write( "Original Plane DATA:<BR>\n" );
document.write( "Rate = x mph ; Time = 4 hr. : Distance = rt = 4x miles<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "Original Ship DATA:<BR>\n" );
document.write( "Distance = 1580-4x miles ; Time = 25 hrs. ; Rate = d/t = (1580-4x)/25 mph<BR>\n" );
document.write( "------------------<BR>\n" );
document.write( "New Plane DATA:<BR>\n" );
document.write( "Rate = x/2 mph ; Time = 4 hr ; Distance = rt = 2x miles<BR>\n" );
document.write( "------<BR>\n" );
document.write( "New Ship DATA:<BR>\n" );
document.write( "Rate = (3/2)(1580-4x)/25 mph ; Time = 25 hrs. ; Dist. = rt = (3/2)(1580-4x) mi.<BR>\n" );
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document.write( "EQUATION:<BR>\n" );
document.write( "(3/2)(1580-4x) = 1315<BR>\n" );
document.write( "1580-4x = 876.33333333<BR>\n" );
document.write( "4x = 703.333333333<BR>\n" );
document.write( "x = 175.8333333...(plane speed)<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Ship speed = (1580-4x)/25 mph<BR>\n" );
document.write( "(1580-4*175.833333333)/25) = 35.07 mph (ship speed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.\r<BR>\n" );
document.write( "\n" );
document.write( " <BR>\n" );
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