document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=245874>Question 245874</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is increased by 20 percent and its width is increased by fifty percent. By what percent does the area increase?\r<BR>\n" );
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document.write( "(A) 70 (B) 80 (C) 100 (D) 170 (E) 180\r<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 #179620 by </B><A HREF=/tutors/aboutme.mpl?userid=dabanfield><B>dabanfield(803)</B></A><img src=\"/images/stars/stars-11.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=dabanfield><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=179620\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> The length of a rectangle is increased by 20 percent and its width is increased by fifty percent. By what percent does the area increase? <BR>\n" );
document.write( "(A) 70 (B) 80 (C) 100 (D) 170 (E) 180 \r<BR>\n" );
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document.write( "Let L be the original length and W the original width. The area of the rectangle is L*W.\r<BR>\n" );
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document.write( "By increasing the Length to 1.2*L and the width to 1.5*W the new area is:<BR>\n" );
document.write( "(1.2)L*(1.5)W = (1.2*1.5)(L*W) = 1.8*(L*W)= 1.8*A = A + .80*A\r<BR>\n" );
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document.write( "So the answer is (B) 80\r<BR>\n" );
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