document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=92540>Question 92540</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I am just drawing a blank on what the 2 equations would be for this problem.  Once I get them. I can solve the problem.\r<BR>\n" );
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document.write( "Simone can build a treehouse in 15 hours.  Working together Simone and Tyrese can build a treehouse in 7 hours.  How many hours would Tyrese take to build the treehouse working alone?\r<BR>\n" );
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document.write( "I have S=15<BR>\n" );
document.write( "S+T=7  but I know this isn't correct.\r<BR>\n" );
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document.write( "Please help </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #67368 by </B><A HREF=/tutors/aboutme.mpl?userid=scott8148><B>scott8148(6628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=scott8148><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=scott8148><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=67368\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> with work problems, the trick is to see what fraction of the job is done by each person\r<BR>\n" );
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document.write( "if Simone can build a treehouse in 15 hours, then in 7 hours she builds 7/15 of the treehouse\r<BR>\n" );
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document.write( "this means Tyrese builds 8/15 of the tree house in 7 hours ... so 7 is to 8/15 as x is to 15/15 (or 1 whole treehouse) </SPAN>\n" );
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