document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=850421>Question 850421</A>: <I><SPAN STYLE=\"word-break: break-all;\"> 2 painters painted 60 rooms in 1 week. Painter A painted 4 times as fast as painter B. How many rooms painter A painted in 1 week? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #512129 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=512129\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 4 times as fast means A can paint <BR>\n" );
document.write( "4 times as many rooms/week as B<BR>\n" );
document.write( "------------------------------<BR>\n" );
document.write( "Let <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+ ALIGN=MIDDLE  ALT=\"+n+\"   DISABLED_style= \"max-width:90%; height:auto;\" > = number of rooms/wk<BR>\n" );
document.write( "that B can paint<BR>\n" );
document.write( "Add their rates of working to get <BR>\n" );
document.write( "their rate working together<BR>\n" );
document.write( "-------------------------------<BR>\n" );
document.write( "( 60 rooms ) / ( 1 wk ) = their rate working together<BR>\n" );
document.write( "( 4n rooms ) / ( 1 wk ) = A's rate of working<BR>\n" );
document.write( "( n rooms ) / ( 1 wk ) = B's rate of working<BR>\n" );
document.write( "--------------------------------------------<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%284n%29+%2F+1+%2B+n+%2F+1++=+60+%2F+1+ ALIGN=MIDDLE  ALT=\"+%284n%29+%2F+1+%2B+n+%2F+1++=+60+%2F+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+5n+=+60+ ALIGN=MIDDLE  ALT=\"+5n+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+n+=+12+ ALIGN=MIDDLE  ALT=\"+n+=+12+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+4n+=+48+ ALIGN=MIDDLE  ALT=\"+4n+=+48+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "A can paint 48 rooms in 1 week<BR>\n" );
document.write( "check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+%284n%29+%2F+1+%2B+n+%2F+1++=+60+%2F+1+ ALIGN=MIDDLE  ALT=\"+%284n%29+%2F+1+%2B+n+%2F+1++=+60+%2F+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+48+%2F+1+%2B+12+%2F+1++=+60+%2F+1+ ALIGN=MIDDLE  ALT=\"+48+%2F+1+%2B+12+%2F+1++=+60+%2F+1+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=+60+=+60+ ALIGN=MIDDLE  ALT=\"+60+=+60+\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "OK<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );