document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245878>Question 245878</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A bicycle tire has a diameter of 66 centimeter. Approximately how many times must the tire rotate to travel 1 kilometer?\r<BR>\n" );
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document.write( "(A) 5 (B) 10 (C) 48 (D) 480 (E) 960 </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #179545 by </B><A HREF=/tutors/aboutme.mpl?userid=unlockmath><B>unlockmath(1688)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=unlockmath><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=unlockmath><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179545\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hello, <BR>\n" );
document.write( "First, let's establish the formula for the circumference of a circle. Its:<BR>\n" );
document.write( "C=pi times diameter Now we can plug in the numbers:<BR>\n" );
document.write( "C=3.14*66 Do the calculations<BR>\n" );
document.write( "C=207.24 cm for one rotation of the tire. <BR>\n" );
document.write( "Now we need to figure how many centimeters are in 1 Kilometer. There are 1000 meters in a kilometer and 100 centimeters in a meter so we multiply 1000*100 will give us:<BR>\n" );
document.write( "100,000 centimeters So we divide 207.24 into that to give us:<BR>\n" );
document.write( "482.53 times to rotate. Round this off and we get the answer of:<BR>\n" );
document.write( "480 times. <BR>\n" );
document.write( "Did this make sense to you?<BR>\n" );
document.write( "RJ Toftness<BR>\n" );
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