document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1112999>Question 1112999</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The amount of oil used by a ship traveling at a uniform speed varies jointly with the distance and the square of the speed. The ship uses 30 barrels of oil in traveling 85 miles at 42 mi/h. How many barrels of oil are used when the ship travels 26 miles at 54 mi/h? Round your answer to the nearest tenth of a barrel, if necessary. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #728036 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39630)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=728036\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> v, barrels oil<BR>\n" );
document.write( "r, speed<BR>\n" );
document.write( "d, distance miles<BR>\n" );
document.write( "k, constant<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=v=k%2Ar%5E2%2Ad ALIGN=MIDDLE  ALT=\"v=k%2Ar%5E2%2Ad\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=v%2F%28d%2Ar%5E2%29 ALIGN=MIDDLE  ALT=\"k=v%2F%28d%2Ar%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=30%2F%2885%2A42%5E2%29 ALIGN=MIDDLE  ALT=\"k=30%2F%2885%2A42%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=0.000200 ALIGN=MIDDLE  ALT=\"k=0.000200\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28v=0.000200%2Ad%2Ar%5E2%29 ALIGN=MIDDLE  ALT=\"highlight%28v=0.000200%2Ad%2Ar%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "For the question, substitute r=54 and d=26 and evaluate v. </SPAN>\n" );
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