document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1031208>Question 1031208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Joe and Renee are building a fence. Joe can build a fence alone in 4 hours. If Renee starts helping Joe after he has already worked on the fence for 2 hours, they will finish the fence 90 minutes after she joins him. How long would it take Renee to build the fence alone? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #645947 by </B><A HREF=/tutors/aboutme.mpl?userid=Boreal><B>Boreal(15235)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Boreal><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=Boreal><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=645947\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> in 1 hour J does (1/4)<BR>\n" );
document.write( "Renee builds (1/x) per hour<BR>\n" );
document.write( "(2/4)+(1.5/4)+(1.5/x)=1; the two hours that Joe has worked, the additional 1.5 he works and 1.5 for Renee.<BR>\n" );
document.write( "multiply everything by 4x to clear fractions<BR>\n" );
document.write( "2x+1.5x+6=4x<BR>\n" );
document.write( ".5x=6<BR>\n" );
document.write( "x=12 hours for Renee </SPAN>\n" );
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