document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=351137>Question 351137</A>: <I><SPAN STYLE=\"word-break: break-all;\"> This is a mathematics problem which one of my cousin asked me yesterday.   He is in grade 4. However, I cannot help him because I am not good in maths.\r<BR>\n" );
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document.write( "The width of a rectangle  is  20  cm  more than  half the length.<BR>\n" );
document.write( "Its area  is   4800 sq.cm.<BR>\n" );
document.write( "Find its width. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #250982 by </B><A HREF=/tutors/aboutme.mpl?userid=ewatrrr><B>ewatrrr(24785)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ewatrrr><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=ewatrrr><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=250982\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Hi,<BR>\n" );
document.write( "In your cousin's math problem: let x be the length, then the width would be(x/2 +20)<BR>\n" );
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document.write( "Area = l*w<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%2A%28x%2F2+%2B+20%29+=+4800cm%5E2 ALIGN=MIDDLE  ALT=\"x%2A%28x%2F2+%2B+20%29+=+4800cm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2%2F2+%2B+40x+=+4800cm%5E2 ALIGN=MIDDLE  ALT=\"x%5E2%2F2+%2B+40x+=+4800cm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "multiply eacch term by 2<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+40x+=+9600cm%5E2 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+40x+=+9600cm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( ".<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x%5E2+%2B+40x+-+9600cm%5E2+=+0 ALIGN=MIDDLE  ALT=\"x%5E2+%2B+40x+-+9600cm%5E2+=+0\"   DISABLED_style= \"max-width:90%; height:auto;\" > <BR>\n" );
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document.write( "factor<BR>\n" );
document.write( "(x + 120)(x-80) = 0<BR>\n" );
document.write( "x = 120 we cannot use<BR>\n" );
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document.write( "x = 80cm is the width<BR>\n" );
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document.write( "check your answer<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=80cm%2A+%2880%2F2+%2B+20%29+=+80cm+%2A+60cm+=+4800cm%5E2 ALIGN=MIDDLE  ALT=\"80cm%2A+%2880%2F2+%2B+20%29+=+80cm+%2A+60cm+=+4800cm%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > </SPAN>\n" );
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