document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=259953>Question 259953</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Jill can build a doll house in 58 minutes, working by herself, and Jimmy can do it in 69 minutes working by himself. How long will it take them to build one doll house working together? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #191403 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=191403\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Jill can build a doll house in 58 minutes, working by herself, and Jimmy can do it in 69 minutes working by himself. How long will it take them to build one doll house working together?<BR>\n" );
document.write( ".<BR>\n" );
document.write( "Let t = time it takes for both working together<BR>\n" );
document.write( "then<BR>\n" );
document.write( "t(1/58 + 1/69) = 1<BR>\n" );
document.write( "Multiplying both sides by (58)(69)<BR>\n" );
document.write( "t(1/58 + 1/69) = 1<BR>\n" );
document.write( "t(69 + 58) = (58)(69)<BR>\n" );
document.write( "t(127) = 4002<BR>\n" );
document.write( "t = 4002/127<BR>\n" );
document.write( "t = 31.51 minutes\r<BR>\n" );
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document.write( " </SPAN>\n" );
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