document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=410593>Question 410593</A>: <I><SPAN STYLE=\"word-break: break-all;\">  you are planning a rectangular garden. Its length is twice its width x. You want a walkway 2ft wide around the garden.\r<BR>\n" );
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document.write( "a. Write an expression for the area of the garden and walk.<BR>\n" );
document.write( "B. Write an expression for the area of the walk only. <BR>\n" );
document.write( "c. You have enough gravel to cover 76ft^2 and want to use it all on the walk. How big should you make the garden? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #288857 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=288857\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> you are planning a rectangular garden.<BR>\n" );
document.write( " Its length is twice its width x. <BR>\n" );
document.write( "You want a walkway 2ft wide around the garden.<BR>\n" );
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document.write( "x = the width of the garden<BR>\n" );
document.write( "then<BR>\n" );
document.write( "2x = the length<BR>\n" );
document.write( "and<BR>\n" );
document.write( "x(2x) = 2x^2; is the area of the garden<BR>\n" );
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document.write( "a. Write an expression for the area of the garden and walk.<BR>\n" );
document.write( "Area including the walk (a 2' walk all the way around, adds 4' to each dimension):<BR>\n" );
document.write( "A = (2x + 4)(x + 4)<BR>\n" );
document.write( "FOIL<BR>\n" );
document.write( "A = 2x^2 + 8x + 4x + 16<BR>\n" );
document.write( "A = 2x^2 + 12x + 16, overall area<BR>\n" );
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document.write( "B. Write an expression for the area of the walk only.<BR>\n" );
document.write( "Overall area - garden area = walkway area<BR>\n" );
document.write( "2x^2 + 12x + 16 - 2x^2 = Walkway area<BR>\n" );
document.write( "Find the walkway area (A)<BR>\n" );
document.write( "A = 2x^2 - 2x^2 + 12x + 16<BR>\n" );
document.write( "A = 12x + 16, walkway area<BR>\n" );
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document.write( "c. You have enough gravel to cover 76ft^2 and want to use it all on the walk.<BR>\n" );
document.write( " How big should you make the garden?<BR>\n" );
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document.write( "Replace A in the above equation with 76, find x which will give the dimension of the garden<BR>\n" );
document.write( "12x + 16 = 76<BR>\n" );
document.write( "12x = 76 - 16<BR>\n" );
document.write( "12x = 60<BR>\n" );
document.write( "x = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=60%2F12 ALIGN=MIDDLE  ALT=\"60%2F12\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "x = 5 ft is the width of the garden<BR>\n" );
document.write( "2(5) = 10 ft is the length<BR>\n" );
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document.write( "See if that makes sense<BR>\n" );
document.write( "(5+4)*(10+4) = 126 sq/ft overall area<BR>\n" );
document.write( "Garden: 5*10 =  50 sq/ft<BR>\n" );
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document.write( "Walkway area   76 sq/ft<BR>\n" );
document.write( " </SPAN>\n" );
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