document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=168097>Question 168097</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0073304913/algebrahomeworkh>Hall Mercer Intermediate Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A square mat has a uniform red border on all four sides.  The rest of the mat is blue.  The width of the blue square is three-fourths the width of the entire square.  If the area colored red is 28 m squared, determine the lengths of each side of the mat.\r<BR>\n" );
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document.write( "I have tried W^2 - 3/4W^2 = 28 <BR>\n" );
document.write( "Also W^2 - (W-1/4)^2=28\r<BR>\n" );
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document.write( "Mainly need help on setting up.  I am alright after the problem is set up into a math problem rather than a word problem.<BR>\n" );
document.write( "Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #123877 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=123877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <BR>\n" );
document.write( "LOOKS TO ME LIKE YOU ARE RIGHT ON WITH THE FIRST TRY!!!!!!\r<BR>\n" );
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document.write( "Let W=width of entire square<BR>\n" );
document.write( "Then 0.75W=width of the blue square\r<BR>\n" );
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document.write( "Area colored red would be width of entire square minus width of blue square, or:<BR>\n" );
document.write( "Area colored red=W^2-0.75W^2 and we are told that this equals 28 sq m, so, our equation to solve is:\r<BR>\n" );
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document.write( "W^2-0.75W^2=28  or<BR>\n" );
document.write( "0.25W^2=28  divide each side by 0.25<BR>\n" );
document.write( "W^2=112 sq m  take square root of each side<BR>\n" );
document.write( "W=plus or minus 10.6 m disregard negative value for W<BR>\n" );
document.write( "W=10.6 m<BR>\n" );
document.write( "0.75W=0.75*10.6=7.95 m<BR>\n" );
document.write( "CK<BR>\n" );
document.write( "112-84=28<BR>\n" );
document.write( "28=28\r<BR>\n" );
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document.write( "Hope this helps----ptaylor </SPAN>\n" );
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