document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=391975>Question 391975</A>: <I><SPAN STYLE=\"word-break: break-all;\"> RATINGS OF CAR ENGINE OIL Rating    10W  15W  20W\r<BR>\n" );
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document.write( "                      Relative Speed of Flow \r<BR>\n" );
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document.write( "Half as fast as 5W oil<BR>\n" );
document.write( "Half as fast as 10W oil<BR>\n" );
document.write( "Half as fast as 15W oil \r<BR>\n" );
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document.write( "According to the table above ,car engine oil with a rating of 5w flows how many times as fast as car engine oil with a rating of 20w ?\r<BR>\n" );
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document.write( "A)2  B) 4  C) 8  D) 16  E) 32 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #278158 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=278158\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 10W  flows at rate = (1/2) x  5W<BR>\n" );
document.write( "15W  flows at rate = (1/2) x  10W<BR>\n" );
document.write( "20 W  flows at rate = (1/2) x 15W<BR>\n" );
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document.write( "I can rewrite this data as:<BR>\n" );
document.write( "(1) 5W flows at 2 x 10W<BR>\n" );
document.write( "(2) 10W flows at 2 x 15W<BR>\n" );
document.write( "(3) 15W flows at 2 x 20W<BR>\n" );
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document.write( "I can combine (1) and (2) to say<BR>\n" );
document.write( "5W flows at 2 x (2 x 15W) = 4 x 15W<BR>\n" );
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document.write( "Now I can combine this result with (3)<BR>\n" );
document.write( "5W flows at rate 4 x (2 x 20W) = 8 x 20W<BR>\n" );
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document.write( "So, 5W flows 8 times as fast as 20W </SPAN>\n" );
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