document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=311277>Question 311277</A>: <I><SPAN STYLE=\"word-break: break-all;\"> every time the pedals go through a 360 degree rotation on a cetain bicycle, the tires rotate three times. if the tires are 24 inches in diameter, what is the minimum number of complete rotations of the pedals needed for the bicycle to travel at least one mile?<BR>\n" );
document.write( "1) 12    3)561<BR>\n" );
document.write( "2) 281   4)5,280 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #222601 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=222601\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The diameter of the tyre is 24 inches\r<BR>\n" );
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document.write( "radius = 12 inches.\r<BR>\n" );
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document.write( "the circumference = 2*pi*r<BR>\n" );
document.write( "=2*pi*12<BR>\n" );
document.write( "=75.4 inches\r<BR>\n" );
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document.write( "If the cycle has to go 1 mile it has to go 63360 inches\r<BR>\n" );
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document.write( "the number of revolutions the tyre has to make = 63360 / 75.4<BR>\n" );
document.write( "= 840.31 revolutions\r<BR>\n" );
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document.write( "if the tyre makes 840.31 revolutions the the pedal has to make \r<BR>\n" );
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document.write( "840.31 / 3<BR>\n" );
document.write( "= 280.1 revolutions\r<BR>\n" );
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