document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=454223>Question 454223</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An installer can carpet a room in 3 hrs, an assistant needs 4.5 hours. If the assistant helps for one hour and then is called away, how long will it take the installer to finish<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #311932 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=311932\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> An installer can carpet a room in 3 hrs, an assistant needs 4.5 hours. If the assistant helps for one hour and then is called away, how long will it take the installer to finish\r<BR>\n" );
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document.write( "Installer rate = 1/3 job/hr<BR>\n" );
document.write( "Assistant rate = 1/(9/2) = 2/9 job/hr<BR>\n" );
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document.write( "Equations:<BR>\n" );
document.write( "work  + work = job done<BR>\n" );
document.write( "1(2/9) +  (1/3)x = 1<BR>\n" );
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document.write( "(1/3)x = 7/9<BR>\n" );
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document.write( "x = 7/3 = 2 1/3 hrs<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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