document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=940655>Question 940655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The time \"t\" that it takes Hannah to bike to school varies inversely as her average speed, \"s\". If she can bike to school in 25 minutes her average speed is 6 mi/h. What would her average speed need to be to get to school in 20 min.?\r<BR>\n" );
document.write( "\n" );
document.write( "I got 7.5 mph. Is this correct?\r<BR>\n" );
document.write( "\n" );
document.write( "Thank you! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #573270 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39614)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=573270\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <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;\" >, t for time, s for speed, k for proportionality constant.  Here, k must mean distance.  Notice the units used.  t in minutes, and speed seems used as miles per hour.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=st=k ALIGN=MIDDLE  ALT=\"st=k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=k=6%2A25 ALIGN=MIDDLE  ALT=\"k=6%2A25\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Find s if t is 20 minutes?<BR>\n" );
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;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=st=k ALIGN=MIDDLE  ALT=\"st=k\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=k%2Ft ALIGN=MIDDLE  ALT=\"s=k%2Ft\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=6%2A25%2F20 ALIGN=MIDDLE  ALT=\"s=6%2A25%2F20\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=%282%2A3%2A5%2A5%29%2F%282%2A2%2A5%29 ALIGN=MIDDLE  ALT=\"s=%282%2A3%2A5%2A5%29%2F%282%2A2%2A5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=s=15%2F2 ALIGN=MIDDLE  ALT=\"s=15%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Speed is 7.5 miles per hour. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );