document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=983619>Question 983619</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A walkway 3 m wide surrounds a rectangular plot if grass. The plot is 60 m long by 30 m wide. What is the area of the walkway? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #604391 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39618)</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=604391\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A walkway u meters wide surrounds a rectangular plot of grass. The plot is L meters long by w meters wide. What is the area A of the walkway?\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "VARIABLES<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=system%28u=3%2CL=60%2Cw=30%2CA=unknown%29 ALIGN=MIDDLE  ALT=\"system%28u=3%2CL=60%2Cw=30%2CA=unknown%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "FORMULATE EXPRESSIONS OR EQUATIONS<BR>\n" );
document.write( "Total area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28L%2B2u%29%28w%2B2u%29 ALIGN=MIDDLE  ALT=\"%28L%2B2u%29%28w%2B2u%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Just the grass plot area, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L%2Aw ALIGN=MIDDLE  ALT=\"L%2Aw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Walkway area only, <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A=%28L%2B2u%29%28w%2B2u%29-Lw%29 ALIGN=MIDDLE  ALT=\"highlight%28A=%28L%2B2u%29%28w%2B2u%29-Lw%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Multiplying the right member expression or keeping in its somewhat factored form is your choice.  Note a term Lw and its additive inverse if you do the multiplication.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=A=Lw%2B2uw%2B2uL%2B4u%5E2-Lw ALIGN=MIDDLE  ALT=\"A=Lw%2B2uw%2B2uL%2B4u%5E2-Lw\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28A=2uw%2B2uL%2B4u%5E2%29 ALIGN=MIDDLE  ALT=\"highlight%28A=2uw%2B2uL%2B4u%5E2%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >-------only three terms, all are constants.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Substitute the given values and evaluate A. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );