document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=119916>Question 119916</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0131953648/algebrahomeworkh>Blitzer College Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> Could you please solve this equation for me.  \r<BR>\n" );
document.write( "\n" );
document.write( "Suppose that the width if a rectangle is 5 inches shorter than the length and tha perimeter of the rectangle is 50.  What is the width?  Could you please show you work so I can get a better understanding?  Thanks </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #87885 by </B><A HREF=/tutors/aboutme.mpl?userid=Earlsdon><B>Earlsdon(6294)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Earlsdon><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=87885\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> You can start with the formula for the perimeter of a rectangle:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28L%2BW%29 ALIGN=MIDDLE  ALT=\"P+=+2%28L%2BW%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > where L = length and W = width.<BR>\n" );
document.write( "The problem states that the width, W, is 5 inches shorter than the length, L.<BR>\n" );
document.write( "You write this as:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=W+=+L-5 ALIGN=MIDDLE  ALT=\"W+=+L-5\"   DISABLED_style= \"max-width:90%; height:auto;\" > but since we are looking for the width, W, we'll rewrite this as:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+W%2B5 ALIGN=MIDDLE  ALT=\"L+=+W%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The perimeter, P, is given as 50, so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+50 ALIGN=MIDDLE  ALT=\"P+=+50\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Now we'll substitute these values into the formula above and solve for W.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28L%2BW%29 ALIGN=MIDDLE  ALT=\"P+=+2%28L%2BW%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+W%2B5 ALIGN=MIDDLE  ALT=\"L+=+W%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28%28W%2B5%29%2BW%29 ALIGN=MIDDLE  ALT=\"P+=+2%28%28W%2B5%29%2BW%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Combine like-terms.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%282W%2B5%29 ALIGN=MIDDLE  ALT=\"P+=+2%282W%2B5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Apply the distributive property.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+4W%2B10 ALIGN=MIDDLE  ALT=\"P+=+4W%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute P = 50.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=50+=+4W%2B10 ALIGN=MIDDLE  ALT=\"50+=+4W%2B10\"   DISABLED_style= \"max-width:90%; height:auto;\" > Subtract 10 from both sides.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40+=+4W ALIGN=MIDDLE  ALT=\"40+=+4W\"   DISABLED_style= \"max-width:90%; height:auto;\" > Finally, divide both sides by 4.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=10=+W ALIGN=MIDDLE  ALT=\"10=+W\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The width is 10 inches.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+W%2B5 ALIGN=MIDDLE  ALT=\"L+=+W%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+10%2B5 ALIGN=MIDDLE  ALT=\"L+=+10%2B5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=L+=+15 ALIGN=MIDDLE  ALT=\"L+=+15\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "The length is 15 inches.\r<BR>\n" );
document.write( "\n" );
document.write( "Check:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%28L%2BW%29 ALIGN=MIDDLE  ALT=\"P+=+2%28L%2BW%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > Substitute L= 15 and W = 10<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%2815%2B10%29 ALIGN=MIDDLE  ALT=\"P+=+2%2815%2B10%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+2%2825%29 ALIGN=MIDDLE  ALT=\"P+=+2%2825%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=P+=+50 ALIGN=MIDDLE  ALT=\"P+=+50\"   DISABLED_style= \"max-width:90%; height:auto;\" > The solution is good!   </SPAN>\n" );
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