document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=299944>Question 299944</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I need help with this question, cant seem to get the right answer.\r<BR>\n" );
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document.write( "A rectangle with an area of 80cm2 has a width that is three more than one half its length. What is the width of the rectangle </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #215350 by </B><A HREF=/tutors/aboutme.mpl?userid=wise1><B>wise1(2)</B></A><img src=\"/images/stars/iconNewId_16x16.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=wise1><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=wise1><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=215350\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> before u go through all this, pls read the last 4 lines<BR>\n" );
document.write( "area=80cm2,<BR>\n" );
document.write( "to make things easier, lets call length 'b' and width 'w'<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=w=%28b%2F2%29%2B3 ALIGN=MIDDLE  ALT=\"w=%28b%2F2%29%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "area=b*w=80<BR>\n" );
document.write( "substituting 'w' with <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b%2F2%29%2B3 ALIGN=MIDDLE  ALT=\"%28b%2F2%29%2B3\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b=80 ALIGN=MIDDLE  ALT=\"b=80\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2%2F2+%2B3b=80 ALIGN=MIDDLE  ALT=\"b%5E2%2F2+%2B3b=80\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "multiply through by 2 to get rid of the fraction<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2%2B6b=160 ALIGN=MIDDLE  ALT=\"b%5E2%2B6b=160\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "now i will equate everything to zero<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2%2B6b-160=0 ALIGN=MIDDLE  ALT=\"b%5E2%2B6b-160=0\"   DISABLED_style= \"max-width:90%; height:auto;\" >      ......(i)<BR>\n" );
document.write( "multiply the first figure(the one with the square to the number without any letter(dont forget the signs)in this case....<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2+%2A+-160+=-160b%5E2 ALIGN=MIDDLE  ALT=\"b%5E2+%2A+-160+=-160b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "now this is the tricky part. from (i) u need to find 2 numbers whose multiple gives you <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=-160b%5E2 ALIGN=MIDDLE  ALT=\"-160b%5E2\"   DISABLED_style= \"max-width:90%; height:auto;\" > and whose sum gives you 6b.<BR>\n" );
document.write( "in this case, its 16b and -10b<BR>\n" );
document.write( "now all we have to do is replace 6b with this sum, after all, its all the same<BR>\n" );
document.write( "      ****dont give up, this only looks bulky cos im tryin to explain clearly***<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2%2B16b-10b-160=0 ALIGN=MIDDLE  ALT=\"b%5E2%2B16b-10b-160=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "watch closely. this is how to contract. it doesn't matter how its arranged, just take the first 2 no.s and use what they have in common and do the next 2...<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%5E2%2B16b-10b-160=0 ALIGN=MIDDLE  ALT=\"b%5E2%2B16b-10b-160=0\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "b(b+16)-10(b+16)=0<BR>\n" );
document.write( "(b+16)(b-10)=0<BR>\n" );
document.write( "b+16=0                       or       b-10=0<BR>\n" );
document.write( "b=-16  (not possible)                 b=10<BR>\n" );
document.write( "therefore, b=10<BR>\n" );
document.write( "....this might be your problem....were looking for w, not b<BR>\n" );
document.write( "w=(b/2)+3<BR>\n" );
document.write( "w=(10/2)+3<BR>\n" );
document.write( "w=5+3 =8<BR>\n" );
document.write( "voila! </SPAN>\n" );
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