document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=867940>Question 867940</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Two wheels have diameters of 12 inches and 18 inchesrespectively.Both wheels roll along parallel straight lines at the same linera speed until the large wheel has revolved 72 times.At this point,how many times has the small wheel revolved? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #523273 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=523273\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the circumference of the small wheel =<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%5B1%5D+=+pi%2Ad%5B1%5D+ ALIGN=MIDDLE  ALT=\"+C%5B1%5D+=+pi%2Ad%5B1%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Let the circumference of the large wheel =<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+C%5B2%5D+=+pi%2Ad%5B2%5D+ ALIGN=MIDDLE  ALT=\"+C%5B2%5D+=+pi%2Ad%5B2%5D+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "You are given that:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B1%5D+=+12+ ALIGN=MIDDLE  ALT=\"+d%5B1%5D+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+d%5B2%5D+=+18+ ALIGN=MIDDLE  ALT=\"+d%5B2%5D+=+18+\"   DISABLED_style= \"max-width:90%; height:auto;\" > in<BR>\n" );
document.write( "------------------------<BR>\n" );
document.write( "With each revolution, a wheel traces it's<BR>\n" );
document.write( "circumference onto the flat ground<BR>\n" );
document.write( "---------------------------------------<BR>\n" );
document.write( "With <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+72+ ALIGN=MIDDLE  ALT=\"+72+\"   DISABLED_style= \"max-width:90%; height:auto;\" > revolutions, the large wheel<BR>\n" );
document.write( "traces <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+72%2AC%5B2%5D+=++72%2Api%2A18+ ALIGN=MIDDLE  ALT=\"+72%2AC%5B2%5D+=++72%2Api%2A18+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------------------------<BR>\n" );
document.write( "The small wheel, since it's rolling with the<BR>\n" );
document.write( "large wheel has to trace out the same<BR>\n" );
document.write( "linear distance. It must also make more<BR>\n" );
document.write( "revolutions ( turning faster ).<BR>\n" );
document.write( "I'll say it makes <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > revolutions<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+72%2Api%2A18+=+n%2Api%2A12+ ALIGN=MIDDLE  ALT=\"+72%2Api%2A18+=+n%2Api%2A12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1296+=+12n+ ALIGN=MIDDLE  ALT=\"+1296+=+12n+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+108+ ALIGN=MIDDLE  ALT=\"+n+=+108+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The small wheel has revolved 108 times\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
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