document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1208018>Question 1208018</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time t that it takes to get to school varies inversely with your average speed s. \r<BR>\n" );
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document.write( "(a) Suppose that it takes you 40 minutes to get to school when your average speed is 30 miles per hour. Express the driving time to school in terms of average speed. \r<BR>\n" );
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document.write( "(b) Suppose that your average speed to school is 40 miles per hour. How long will it take you to get to school? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #846131 by </B><A HREF=/tutors/aboutme.mpl?userid=timofer><B>timofer(104)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=timofer><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=846131\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> ~~~~~~~\r<BR>\n" );
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document.write( "The time t that it takes to get to school varies inversely with your average speed s.\r<BR>\n" );
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document.write( "~~~~~~~\r<BR>\n" );
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document.write( "That says what it says and means just what it says.<BR>\n" );
document.write( "You need a constant factor for variation.  k.\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=k%281%2Fs%29 ALIGN=MIDDLE  ALT=\"t=k%281%2Fs%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=k%2Fs ALIGN=MIDDLE  ALT=\"t=k%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "part (a)<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=40 ALIGN=MIDDLE  ALT=\"t=40\"   DISABLED_style= \"max-width:90%; height:auto;\" > minutes and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=30 ALIGN=MIDDLE  ALT=\"s=30\"   DISABLED_style= \"max-width:90%; height:auto;\" > miles per hour.<BR>\n" );
document.write( "So what is k value?\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=ts=k ALIGN=MIDDLE  ALT=\"ts=k\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=40%2A30 ALIGN=MIDDLE  ALT=\"k=40%2A30\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=1200 ALIGN=MIDDLE  ALT=\"k=1200\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The equation you want to use is then become <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t=1200%2Fs ALIGN=MIDDLE  ALT=\"t=1200%2Fs\"   DISABLED_style= \"max-width:90%; height:auto;\" >.\r<BR>\n" );
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document.write( "part (b)<BR>\n" );
document.write( "Just use the same equation but now know that <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=40 ALIGN=MIDDLE  ALT=\"s=40\"   DISABLED_style= \"max-width:90%; height:auto;\" >. </SPAN>\n" );
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