document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=285858>Question 285858</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A picture frame measures 14 cm by 20 cm. 160 cm^2 of the picture shows inside the frame. Find the width of the frame. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #207380 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=207380\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 14*20=280 in^2 for the frame.<BR>\n" );
document.write( "(14-2x)(20-2x)=160<BR>\n" );
document.write( "280-40x-28x+4x^2=160<BR>\n" );
document.write( "-4x^2-68x+280-160=0<BR>\n" );
document.write( "-4x^2-68x+120=0<BR>\n" );
document.write( "-4(x^2+17x-30)=0<BR>\n" );
document.write( "-4(x-15)(x-2)-0<BR>\n" );
document.write( "x-2=0<BR>\n" );
document.write( "x=2cm ans. for the width of the frame.Proof:<BR>\n" );
document.write( "(14-2*2)(20-2*2)=160<BR>\n" );
document.write( "(14-4)(20-4)=160<BR>\n" );
document.write( "10*16=160<BR>\n" );
document.write( "160=160<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );