document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=238658>Question 238658</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many revolutions will a car wheel of diameter 60cm make as the car travels a distnace of 4km?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #175353 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=175353\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many revolutions will a car wheel of diameter 60cm make as the car travels a distnace of 4km? <BR>\n" );
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document.write( "The circumference is pi*d.  It moves that far per revolution.<BR>\n" );
document.write( "4 km = 400000 cm<BR>\n" );
document.write( "revs = 400000/(60*pi)<BR>\n" );
document.write( "revs = 20000/3pi<BR>\n" );
document.write( "revs =~ 2122<BR>\n" );
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