document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=26021>Question 26021</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The perimeter of a rectangle is 40cm. If the width is 8cm, what isthe length?<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #13968 by </B><A HREF=/tutors/aboutme.mpl?userid=mathrebel><B>mathrebel(25)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mathrebel><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=13968\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Simple: the formula for perimeter of a rectangle is 2*(a+b), where a and b are the sides:<BR>\n" );
document.write( "side b=8<BR>\n" );
document.write( "side a=?\r<BR>\n" );
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document.write( "40=2*(a+8)  divide by two both sides and get:<BR>\n" );
document.write( "20=a+8   subtract 8 from both sides and:<BR>\n" );
document.write( "a=12   whoala!!!\r<BR>\n" );
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document.write( "now plug it in back to check the answer:\r<BR>\n" );
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document.write( "is 40=2*(12+8)??<BR>\n" );
document.write( "40=2*20<BR>\n" );
document.write( "40=40   you betcha!!!!<BR>\n" );
document.write( "good luck<BR>\n" );
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