document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=812029>Question 812029</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Kevin paints a house in 8 hours. Josh paints a house in 10 hours. Working together, how fast can they get the job done? \r<BR>\n" );
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document.write( "1/8  +  1/10  =  1/x<BR>\n" );
document.write( "1*(10) + 1*(8) = 18/(10*8)\r<BR>\n" );
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document.write( "80/18= 4.44444\r<BR>\n" );
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document.write( "I found 4.44 hours, but I'm not confident in my answer.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #488995 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=488995\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Kevin paints a house in 8 hours. Josh paints a house in 10 hours. Working together, how fast can they get the job done? \r<BR>\n" );
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document.write( "1/8  +  1/10  =  1/x<BR>\n" );
document.write( "1*(10) + 1*(8) = 18/(10*8)\r<BR>\n" );
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document.write( "80/18= 4.44444\r<BR>\n" );
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document.write( "I found 4.44 hours, but I'm not confident in my answer. <BR>\n" );
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document.write( "Why not?  If each of them took 10 hours, it'd be 5.<BR>\n" );
document.write( "If each took 8 hours, it'd be 4.<BR>\n" );
document.write( "So 8 and 10 --> between 4 & 5 hours.<BR>\n" );
document.write( "80/18 is correct.<BR>\n" );
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document.write( "A shortcut is product/sum --> 80/18 </SPAN>\n" );
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