document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=237953>Question 237953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Hi. Sorry, I'm not sure if this is the right section to put this question. But I need help solving this problem:\r<BR>\n" );
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document.write( "how many revolutions will a car wheel of diameter 30 in. make as the car travels a distance of one mile?\r<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #174902 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=174902\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi. Sorry, I'm not sure if this is the right section to put this question. But I need help solving this problem: <BR>\n" );
document.write( "how many revolutions will a car wheel of diameter 30 in. make as the car travels a distance of one mile? <BR>\n" );
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document.write( "= mile = 5280 ft = 63360 inches<BR>\n" );
document.write( "The wheel's circumference is 30*pi inches, so it goes that far each revolution.<BR>\n" );
document.write( "63360 in/(30*pi) in/rev = 2112/pi revolutions<BR>\n" );
document.write( "= ~ 672.27 revolutions<BR>\n" );
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document.write( "60 mph is 1 mile per minute, so the wheel would turn at 672 rpm at 60 mph. </SPAN>\n" );
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