document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=642385>Question 642385</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Your car travels at 75 mph on the interstate. You drive at this rate for 90 minutes. If your car tires have a diameter of 20 inches, how many times will each tire revolve while driving those 90 minutes? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #404099 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=404099\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Your car travels at 75 mph on the interstate. You drive at this rate for 90 minutes. If your car tires have a diameter of 20 inches, how many times will each tire revolve while driving those 90 minutes?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "Distance car traveled=speed*travel time=75 mi/hr*90 min=<BR>\n" );
document.write( "75*1.5=112.5 mi*5280 ft/mi*12 in/ft=7.128*10^6 in<BR>\n" );
document.write( "circumference of tire=&#960;*diameter=&#960;*20 in<BR>\n" );
document.write( "Times will each tire revolve while driving those 90 minutes<BR>\n" );
document.write( "=distance traveled/circumference of tire<BR>\n" );
document.write( "=7.128*10^6/&#960;*20=(3.564/&#960;)*10^5 </SPAN>\n" );
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