document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1045208>Question 1045208</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 men and 5 boys can do a piece of work in 4 days, while 4 men and 4 boys can do it in 3 days how long would it take one man alone to do it and how many days would it take one boy alone to do it? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #660600 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39621)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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/images/nopicture.jpg><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=660600\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Alternative method is assign variables for each type of person's rate in units of JOB/DAYS, and this gives linear equations.\r<BR>\n" );
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document.write( "x for one-boy rate<BR>\n" );
document.write( "y for one-man rate\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28%282y%2B5x%294=1%2C%284y%2B4x%293=1%29 ALIGN=MIDDLE  ALT=\"system%28%282y%2B5x%294=1%2C%284y%2B4x%293=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2820x%2B8y=1%2C12x%2B12y=1%29 ALIGN=MIDDLE  ALT=\"system%2820x%2B8y=1%2C12x%2B12y=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
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document.write( "Elimination Method should be more comfortable to use for solving the system.<BR>\n" );
document.write( "Multiply first equation by 3, and multiply second equation by 2.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2860x%2B24y=3%2C24x%2B24y=2%29 ALIGN=MIDDLE  ALT=\"system%2860x%2B24y=3%2C24x%2B24y=2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
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document.write( "Subtract second equation from first equation, member by member.<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=36x=1 ALIGN=MIDDLE  ALT=\"36x=1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=1%2F36%29 ALIGN=MIDDLE  ALT=\"highlight%28x=1%2F36%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Remember, here the unit of work rate is <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=JOBS%2FDAYS ALIGN=MIDDLE  ALT=\"JOBS%2FDAYS\"   DISABLED_style= \"max-width:90%; height:auto;\" >, so this rate for ONE BOY means  \"ONE JOB done in 36 DAYS\".\r<BR>\n" );
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document.write( "You can use the same method for eliminating the x; but here, the best choice is return to <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%2820x%2B8y=1%2C12x%2B12y=1%29 ALIGN=MIDDLE  ALT=\"system%2820x%2B8y=1%2C12x%2B12y=1%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >,  but multiply first equation by 3; and multiply second equation by 5.\r<BR>\n" );
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document.write( "You do it...... </SPAN>\n" );
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