document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=125305>Question 125305</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0395352495/algebrahomeworkh>Algebra: structure and method: Book 1</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Bill takes 50 min to groom the horses. After working 10 min, he was joined by Ann and they finished the grooming in 15 min. How long would it have token Ann working alone? PLEASE HELP!!! The answer is 30 min, but I don't know how to get there. HELP MUCH APPRICIATED!!!! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #93576 by </B><A HREF=/tutors/aboutme.mpl?userid=HyperBrain><B>HyperBrain(694)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=HyperBrain><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=93576\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Since Bill can do the job in 50 minutes then his work rate is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F50 ALIGN=MIDDLE  ALT=\"1%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Let x=no. of minutes for Ann to do it alone\r<BR>\n" );
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document.write( "Then <BR>\n" );
document.write( "Ann's work rate is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fx ALIGN=MIDDLE  ALT=\"1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "The formula is work rate X time=work done\r<BR>\n" );
document.write( "<BR>\n" );
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document.write( "<TABLE  border=\"0\">\n" );
document.write( "\r\n" );
document.write( "<tr>\r\n" );
document.write( "<TD >  </TD>\r\n" );
document.write( "<TD >Work rate</TD>\r\n" );
document.write( "<TD ><center>X time</center></TD>\r\n" );
document.write( "<TD >=work done</TD>\r\n" );
document.write( "</tr>\r\n" );
document.write( "<tr>\r\n" );
document.write( "<TD ><center>Bill</center></TD>\r\n" );
document.write( "<TD ><center><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F50 ALIGN=MIDDLE  ALT=\"1%2F50\"   DISABLED_style= \"max-width:90%; height:auto;\" ></center></TD>\r\n" );
document.write( "<TD ><center>25</center></TD>\r\n" );
document.write( "<TD ><center><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2 ALIGN=MIDDLE  ALT=\"1%2F2\"   DISABLED_style= \"max-width:90%; height:auto;\" ></center></TD>\r\n" );
document.write( "</tr>\r\n" );
document.write( "<tr>\r\n" );
document.write( "<TD ><center>Ann</center></TD>\r\n" );
document.write( "<TD ><center><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2Fx ALIGN=MIDDLE  ALT=\"1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ></center></TD>\r\n" );
document.write( "<TD ><center>15</center></TD>\r\n" );
document.write( "<TD ><center><IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=15%2Fx ALIGN=MIDDLE  ALT=\"15%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ></center></TD>\r\n" );
document.write( "</tr>\r\n" );
document.write( "<tr>\r\n" );
document.write( "<TD >  </TD>\r\n" );
document.write( "<TD >  </TD>\r\n" );
document.write( "<TD >Total work done</TD>\r\n" );
document.write( "<TD ><center>1</center></TD>\r\n" );
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document.write( "</TABLE>\r<BR>\n" );
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document.write( "From the table,\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F2%2B15%2Fx=1 ALIGN=MIDDLE  ALT=\"1%2F2%2B15%2Fx=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by 2x.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2B30=2x ALIGN=MIDDLE  ALT=\"x%2B30=2x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=30=2x-x ALIGN=MIDDLE  ALT=\"30=2x-x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x=30 ALIGN=MIDDLE  ALT=\"x=30\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "For further questions, feel free to ask me at adrianvidal07@hotmail.com\r<BR>\n" );
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document.write( "Please watch our video http://www.metacafe.com/watch/1101445/science_avenue/\r<BR>\n" );
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document.write( "Power up,<BR>\n" );
document.write( "HyperBrain!<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );