document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=273172>Question 273172</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Esther drove to work in the morning at an average speed of 45 miles per hour. She returned home in the evening along the same route and averaged 30 miles per hour. If Esther spent a total of one hour commuting to and from work, how many miles did Esther drive to work in the morning? <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 #199592 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=199592\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Write 2 equations:<BR>\n" );
document.write( "Going to work:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+r%5B1%5D%2At%5B1%5D ALIGN=MIDDLE  ALT=\"d+=+r%5B1%5D%2At%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Coming home from work:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+r%5B2%5D%2At%5B2%5D ALIGN=MIDDLE  ALT=\"d+=+r%5B2%5D%2At%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "given:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B1%5D+=+45 ALIGN=MIDDLE  ALT=\"r%5B1%5D+=+45\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=r%5B2%5D+=+30 ALIGN=MIDDLE  ALT=\"r%5B2%5D+=+30\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi/hr<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+1 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+45t%5B1%5D ALIGN=MIDDLE  ALT=\"d+=+45t%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+30t%5B2%5D ALIGN=MIDDLE  ALT=\"d+=+30t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "then<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F45+=+t%5B1%5D ALIGN=MIDDLE  ALT=\"d%2F45+=+t%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F30+=+t%5B2%5D ALIGN=MIDDLE  ALT=\"d%2F30+=+t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Add the equations<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2A%281%2F45+%2B+1%2F30%29+=+t%5B1%5D+%2B+t%5B2%5D ALIGN=MIDDLE  ALT=\"d%2A%281%2F45+%2B+1%2F30%29+=+t%5B1%5D+%2B+t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+1%2F%281%2F45+%2B+1%2F30%29 ALIGN=MIDDLE  ALT=\"d+=+1%2F%281%2F45+%2B+1%2F30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+1%2F%282%2F90+%2B+3%2F90%29 ALIGN=MIDDLE  ALT=\"d+=+1%2F%282%2F90+%2B+3%2F90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+1%2F%285%2F90%29 ALIGN=MIDDLE  ALT=\"d+=+1%2F%285%2F90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d+=+18 ALIGN=MIDDLE  ALT=\"d+=+18\"   DISABLED_style= \"max-width:90%; height:auto;\" > mi<BR>\n" );
document.write( "Esther drove 18 mi to work <BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F45+=+t%5B1%5D ALIGN=MIDDLE  ALT=\"d%2F45+=+t%5B1%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+=+18%2F45 ALIGN=MIDDLE  ALT=\"t%5B1%5D+=+18%2F45\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "and<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=d%2F30+=+t%5B2%5D ALIGN=MIDDLE  ALT=\"d%2F30+=+t%5B2%5D\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B2%5D+=+18%2F30 ALIGN=MIDDLE  ALT=\"t%5B2%5D+=+18%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+18%2F45+%2B+18%2F30 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+18%2F45+%2B+18%2F30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+18%2A%281%2F45+%2B+1%2F30%29 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+18%2A%281%2F45+%2B+1%2F30%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+18%2A%282%2F90+%2B+3%2F90%29 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+18%2A%282%2F90+%2B+3%2F90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+18%2A%285%2F90%29 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+18%2A%285%2F90%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+18%2A%281%2F18%29 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+18%2A%281%2F18%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=t%5B1%5D+%2B+t%5B2%5D+=+1 ALIGN=MIDDLE  ALT=\"t%5B1%5D+%2B+t%5B2%5D+=+1\"   DISABLED_style= \"max-width:90%; height:auto;\" > hr<BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );