document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=412924>Question 412924</A>: <I><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "Kindly answer these problems please  because i am still quite confused in answering these problem using system of linear equations. \r<BR>\n" );
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document.write( "3) Working together, James and Chris painted their gate in 3 hrs. and 20 min. Working alone, Chris woul need 5 hrs. longer than James to finish the job. How long would it take each of them alone to do the job?\r<BR>\n" );
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document.write( "Thank you in advance! Hoping for your immediate reply.<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #289938 by </B><A HREF=/tutors/aboutme.mpl?userid=mananth><B>mananth(16946)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mananth><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=mananth><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=289938\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> James takes x hours<BR>\n" );
document.write( "1/x of the job he does in 1 hour\r<BR>\n" );
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document.write( "chris takes x+5 hours<BR>\n" );
document.write( "1/(x+5) of the job he does in 1 hour.\r<BR>\n" );
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document.write( "Together they take 3 hours 30 minutes = 3 1/3 hour = 10/3 hours<BR>\n" );
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document.write( "so together they do 3/10 of the job in 1 hour\r<BR>\n" );
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document.write( "1/x  +1/(x+5) = 3/10<BR>\n" );
document.write( "multiply by LCD 10x(x+5)<BR>\n" );
document.write( "10x+50+10x = 3x(x+5)<BR>\n" );
document.write( "20x+50 = 3x^2+15x<BR>\n" );
document.write( "3x^2+15x-20x-50=0<BR>\n" );
document.write( "3x^2-5x-50=0<BR>\n" );
document.write( "3x^2-15x+10x-50=0<BR>\n" );
document.write( "3x(x-5)+10(x-5)=0<BR>\n" );
document.write( "(x-5)(3x+10)=0<BR>\n" );
document.write( "x= 5 hours --- james<BR>\n" );
document.write( "Chris ---- 10 hours\r<BR>\n" );
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