document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=863288>Question 863288</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 1. A car travels at 60 miles per hour for 30 minutes. The radius of the tires on the car is 12 inches.\r<BR>\n" );
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document.write( "a. How far has the car traveled?<BR>\n" );
document.write( "b. How many times does each tire rotate in the 30 minutes of driving? <BR>\n" );
document.write( "(1 mile = 5,280 feet)<BR>\n" );
document.write( "c. What is the rate of rotation (in rpm, rotations per minute) of the tires? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #520340 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=520340\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A car travels at 60 miles per hour for 30 minutes. The radius of the tires on the car is 12 inches.<BR>\n" );
document.write( "a. How far has the car traveled?<BR>\n" );
document.write( "Dist = speed * time<BR>\n" );
document.write( "d = 60 * 1/2<BR>\n" );
document.write( "d = 30 mi which is 30*5280 = 158,400 ft<BR>\n" );
document.write( ":<BR>\n" );
document.write( "b. How many times does each tire rotate in the 30 minutes of driving?<BR>\n" );
document.write( "The diameter of the tire is 2 ft<BR>\n" );
document.write( "C = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=pi%2A2 ALIGN=MIDDLE  ALT=\"pi%2A2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "c = 6.2832 ft<BR>\n" );
document.write( "Find the no. of rotations<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=158400%2F6.2832 ALIGN=MIDDLE  ALT=\"158400%2F6.2832\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 25,210 revolutions<BR>\n" );
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document.write( "c. What is the rate of rotation (in rpm, rotations per minute) of the tires?<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=25210%2F30 ALIGN=MIDDLE  ALT=\"25210%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" > = 840.34 rev/min </SPAN>\n" );
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