document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904803>Question 904803</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dave,Joe,and Sabrina were assigned the job of cataloging the music for their school band.Dave could have completed the assignment in 2 hours alone,Joe in 3 hours, and Sabrina in 4 hours.They started work together, but Joe left at the end of a half-hour and Sabrina at the end of an hour. How long did Dave work alone to finish the cataloging?<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 #548897 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=548897\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=2 b=3 c=4\r<BR>\n" );
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document.write( ".5/2+1/3+z/4=1<BR>\n" );
document.write( "1/4+1/3+z/4=1<BR>\n" );
document.write( "7/12+z/4=1<BR>\n" );
document.write( "z/4=5/12<BR>\n" );
document.write( "z=20/12<BR>\n" );
document.write( "z = 1.66667<BR>\n" );
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