document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=230944>Question 230944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> (7.7 #15)\r<BR>\n" );
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document.write( "Can someone please help me with this?\r<BR>\n" );
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document.write( "It takes the owner/operator of a dog kennel 7 hours to clean all of the cages. It takes his assistant 4 hour(s) more than that to clean the same cages. How long will it take if they work together?\r<BR>\n" );
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document.write( "Thank you,<BR>\n" );
document.write( "Daniel </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #171030 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=171030\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What you need to do is to add together <BR>\n" );
document.write( "their rates of working to get their rate<BR>\n" );
document.write( "working together<BR>\n" );
document.write( "In words:<BR>\n" );
document.write( "Owner's rate = (all the cages)/(7 hours)<BR>\n" );
document.write( "Assistant's rate = (all the cages)/(11 hours)<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > = their time working together<BR>\n" );
document.write( "Call all the cages cleaned 1 job, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F7+%2B+1%2F11+=+1%2Fx ALIGN=MIDDLE  ALT=\"1%2F7+%2B+1%2F11+=+1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=77x ALIGN=MIDDLE  ALT=\"77x\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=11x+%2B+7x+=+77 ALIGN=MIDDLE  ALT=\"11x+%2B+7x+=+77\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=18x+=+77 ALIGN=MIDDLE  ALT=\"18x+=+77\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x+=+4.278 ALIGN=MIDDLE  ALT=\"x+=+4.278\"   DISABLED_style= \"max-width:90%; height:auto;\" > hrs<BR>\n" );
document.write( "It takes them 4 hrs 16 min and 40 sec working together<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F7+%2B+1%2F11+=+1%2Fx ALIGN=MIDDLE  ALT=\"1%2F7+%2B+1%2F11+=+1%2Fx\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F7+%2B+1%2F11+=+1%2F4.278 ALIGN=MIDDLE  ALT=\"1%2F7+%2B+1%2F11+=+1%2F4.278\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.14286+%2B+.09091+=+.233766 ALIGN=MIDDLE  ALT=\".14286+%2B+.09091+=+.233766\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.233769+=+.233766 ALIGN=MIDDLE  ALT=\".233769+=+.233766\"   DISABLED_style= \"max-width:90%; height:auto;\" > close enough<BR>\n" );
document.write( " </SPAN>\n" );
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