document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=257247>Question 257247</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a& b do a job in 4-days working together. A alone would takes twice as long to do the job as aB alone takes. How long would each alone require to do a job? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #189164 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=189164\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x amount of time needed for B to do the job and 2x =amount of time for A<BR>\n" );
document.write( "Then B works at the rate of 1/x job per day<BR>\n" );
document.write( "And A works at the rate of 1/2x job per day\r<BR>\n" );
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document.write( "A & B together work at the rate of 1/4 job per day<BR>\n" );
document.write( "So our equation to solve is:<BR>\n" );
document.write( "1/x + 1/2x =1/4 multiply each term by 4x<BR>\n" );
document.write( "4+2=x<BR>\n" );
document.write( "x=6 hours---------------amount of time needed for B to do the job<BR>\n" );
document.write( "2x=2*6=12 hours amount of time needed for A to do the job\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "1/6 +1/12=1/4<BR>\n" );
document.write( "2/12 + 1/12=1/4<BR>\n" );
document.write( "3/12=1/4<BR>\n" );
document.write( "1/4=1/4\r<BR>\n" );
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document.write( "Hope this helps ------ptaylor </SPAN>\n" );
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