document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1172895>Question 1172895</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The drive wheels on a locomotive are 76 in. in diameter and moving at 210 R.P.M. Determine speed of locomotive in miles per hr.\r<BR>\n" );
document.write( "\n" );
document.write( "Wheels are circles.\r<BR>\n" );
document.write( "\n" );
document.write( "Pi * diameter = circumference.\r<BR>\n" );
document.write( "\n" );
document.write( "3.1416 * 76 = 238.76 = 239 in. = 19.916 = 20 ft.\r<BR>\n" );
document.write( "\n" );
document.write( "5280 ft. = mile.\r<BR>\n" );
document.write( "\n" );
document.write( "60 min. = hr.\r<BR>\n" );
document.write( "\n" );
document.write( "Not sure how to solve.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #798030 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=798030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> the first part gives you the inches per revolution<BR>\n" );
document.write( "look at the units: in/rev.*rev/min*min/hr*feet/in*miles/feet=miles/hour<BR>\n" );
document.write( "then put in the numbers<BR>\n" );
document.write( "238.76*210*60 divided by (12*5280)=47.48 mph </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );