document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=841655>Question 841655</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A brick layer can build a wall in 6 hours, and his apprentice would need 16 hours to build the same wall. When they work together, the apprentice works 5 hours longer than the brick layer. How many hours does each work? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #507108 by </B><A HREF=/tutors/aboutme.mpl?userid=josmiceli><B>josmiceli(19441)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josmiceli><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=josmiceli><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=507108\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The brick layer builds ( 1 wall ) / ( 6 hrs )<BR>\n" );
document.write( "That's the same as ( 1/6 wall ) / ( 1 hour )<BR>\n" );
document.write( "------------------------------------<BR>\n" );
document.write( "The apprentice builds ( 1 wall ) / ( 16 hrs )<BR>\n" );
document.write( "That's the same as ( 1/16 wall ) / ( 1 hour )<BR>\n" );
document.write( "--------------------------------------<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+ ALIGN=MIDDLE  ALT=\"+t+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the time that the brick layer works<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%2B+5+ ALIGN=MIDDLE  ALT=\"+t+%2B+5+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = the timer the apprentice works<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "( brick layer's rate ) x ( brick layer's time ) +<BR>\n" );
document.write( "( apprentice's rate ) x ( apprentice's time ) = 1<BR>\n" );
document.write( "( 1 is the whole job )<BR>\n" );
document.write( "-----------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1%2F6+%29%2At+%2B+%28+1%2F16+%29%2A%28+t+%2B+5+%29+=+1+ ALIGN=MIDDLE  ALT=\"+%28+1%2F6+%29%2At+%2B+%28+1%2F16+%29%2A%28+t+%2B+5+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Multiply both sides by <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+48+ ALIGN=MIDDLE  ALT=\"+48+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+8t+%2B+3t+%2B+15+=+48+ ALIGN=MIDDLE  ALT=\"+8t+%2B+3t+%2B+15+=+48+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+11t+=+33+ ALIGN=MIDDLE  ALT=\"+11t+=+33+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+=+3+ ALIGN=MIDDLE  ALT=\"+t+=+3+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+t+%2B+5+=+8+ ALIGN=MIDDLE  ALT=\"+t+%2B+5+=+8+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "the brick layer works 3 hrs<BR>\n" );
document.write( "The apprentice works 8 hrs<BR>\n" );
document.write( "----------------------------<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1%2F6+%29%2At+%2B+%28+1%2F16+%29%2A%28+t+%2B+5+%29+=+1+ ALIGN=MIDDLE  ALT=\"+%28+1%2F6+%29%2At+%2B+%28+1%2F16+%29%2A%28+t+%2B+5+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%28+1%2F6+%29%2A3+%2B+%28+1%2F16+%29%2A%28+3+%2B+5+%29+=+1+ ALIGN=MIDDLE  ALT=\"+%28+1%2F6+%29%2A3+%2B+%28+1%2F16+%29%2A%28+3+%2B+5+%29+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+1%2F2+%2B+1%2F2+=+1+ ALIGN=MIDDLE  ALT=\"+1%2F2+%2B+1%2F2+=+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );