document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1067097>Question 1067097</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Neil can paint a 3 by 3 meter room in 6 3/4 hours,whereas Den can do the job in 4 1/2 hours. If they are both hired to do job, then how many hours will it take for them to finish painting the room?  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #682313 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=682313\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Add their rates of painting to get their<BR>\n" );
document.write( "rate painting together<BR>\n" );
document.write( "Call the room to be painted [ 1 job ]<BR>\n" );
document.write( "---------------------------------<BR>\n" );
document.write( "Neil's rate:<BR>\n" );
document.write( "[ 1 job ] / [ 6.75 hrs ]<BR>\n" );
document.write( "Den's rate:<BR>\n" );
document.write( "[ 1 job ] / [ 4.5 hrs ]<BR>\n" );
document.write( "Let their rate painting together = <BR>\n" );
document.write( "[ 1 job ] / [ t hrs ]<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F6.75+%2B+1%2F4.5+=+1%2Ft+ ALIGN=MIDDLE  ALT=\"+1%2F6.75+%2B+1%2F4.5+=+1%2Ft+\"   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=+6.75%2A4.5%2At+ ALIGN=MIDDLE  ALT=\"+6.75%2A4.5%2At+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4.5t+%2B+6.75t+=+6.75%2A4.5+ ALIGN=MIDDLE  ALT=\"+4.5t+%2B+6.75t+=+6.75%2A4.5+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4.5t+%2B+6.75t+=+30.375+ ALIGN=MIDDLE  ALT=\"+4.5t+%2B+6.75t+=+30.375+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+11.25t+=+30.375+ ALIGN=MIDDLE  ALT=\"+11.25t+=+30.375+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+2.7+ ALIGN=MIDDLE  ALT=\"+t+=+2.7+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Painting together, it will take them 2.7 hrs\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );