document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=904929>Question 904929</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Solution and Answer please, Thank you!\r<BR>\n" );
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document.write( "- If 1000 articles of a give type can be turned out by a first machine in 8 hours, by a second in 5 hours, and by a third in 4 hours, how long will it take to turn out the articles with all machines working? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #549523 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=549523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a=8 b=5 c=4<BR>\n" );
document.write( "1/a+1/b+1/c=1/x<BR>\n" );
document.write( "1/8+1/5+1/4=1/x<BR>\n" );
document.write( "5/40+8/40+10/40=1/x<BR>\n" );
document.write( "23/40=x<BR>\n" );
document.write( "40/23=x<BR>\n" );
document.write( "x=1.73913043 hours working together<BR>\n" );
document.write( "check<BR>\n" );
document.write( "1/a+1/b+1/c=1/x<BR>\n" );
document.write( "1/8+1/5+1/4=1/40/23<BR>\n" );
document.write( "5/40+8/40+10/40=23/40<BR>\n" );
document.write( "23/40=23/40<BR>\n" );
document.write( "ok </SPAN>\n" );
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