document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=892735>Question 892735</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Please help me solve this word problem:\r<BR>\n" );
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document.write( "The elevator in the Washington Monument takes 75 seconds to travel 500 feet to the top floor. What is the speed of the elevator in miles per hour? Give your answer to two significant digits. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #540775 by </B><A HREF=/tutors/aboutme.mpl?userid=LinnW><B>LinnW(1048)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=LinnW><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=LinnW><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=540775\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 500 feet / 75 seconds<BR>\n" );
document.write( "First let's find out how many feet we would travel in 60 seconds<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=500%2F75+=+x%2F60 ALIGN=MIDDLE  ALT=\"500%2F75+=+x%2F60\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "75x =30000<BR>\n" );
document.write( "divide each side by 75<BR>\n" );
document.write( "x = 400<BR>\n" );
document.write( "So we travel at 400ft/60 seconds or 400ft/minute<BR>\n" );
document.write( "If we multiply 400 by 60 we will get feet/hour<BR>\n" );
document.write( "= 24000 feet/hour<BR>\n" );
document.write( "Since 1 mile = 5280 feet, if we divide 24000 by 5280<BR>\n" );
document.write( "we end up with miles per hour<BR>\n" );
document.write( "24000/5280 = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+%2B6%2F11 ALIGN=MIDDLE  ALT=\"4+%2B6%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles per hour<BR>\n" );
document.write( "or<BR>\n" );
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document.write( "500(1/5280) = the numerator in miles<BR>\n" );
document.write( "75(1/3600) = the number of hours in 75 seconds since there are 60*60 = 3600 seconds per hour<BR>\n" );
document.write( "(500/5280)/(75/3600) = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=4+%2B6%2F11 ALIGN=MIDDLE  ALT=\"4+%2B6%2F11\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles per hour </SPAN>\n" );
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