document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1091229>Question 1091229</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A man bought some shirts for $720.00. If each shirt was $2.00 cheaper he would have received 4 more shirts. Calculate the number of shirts bought </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #705618 by </B><A HREF=/tutors/aboutme.mpl?userid=htmentor><B>htmentor(1343)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=htmentor><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=htmentor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=705618\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let n = the number bought<BR>\n" );
document.write( "Let p = the price of each shirt<BR>\n" );
document.write( "Then p*n = 720 -> p = 720/n<BR>\n" );
document.write( "Also (p-2)(n+4) = 720 -> (720/n-2)(n+4) = 720<BR>\n" );
document.write( "720 + 720*4/n - 2n - 8 = 720<BR>\n" );
document.write( "n^2 + 4n - 1440 = 0<BR>\n" );
document.write( "This factors as:<BR>\n" );
document.write( "(n+40)(n-36) = 0<BR>\n" );
document.write( "Take the positive solution, n = 36<BR>\n" );
document.write( "The number of shirts bought is 36.<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );