document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129403>Question 129403</A>: <I><SPAN STYLE=\"word-break: break-all;\"> I really need help !\r<BR>\n" );
document.write( "\n" );
document.write( "The numbers of students that are in the school , we add the same number plus 2/5 of the number initial. After transfering 1/40 of the new number obtained to another schoo , in the school 2223 students still remain. Find how many students there were at the begining .<BR>\n" );
document.write( "PLZZZZZZZZZZZ !! </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94523 by </B><A HREF=/tutors/aboutme.mpl?userid=amine><B>amine(11)</B></A><img src=\"/images/stars/stars-06.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=amine><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=94523\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> we suppose that a is the number of students that are in the school, then<BR>\n" );
document.write( "we transfert this sentence \"we add the same number plus 2/5 of the number initial\" to a variable X.<BR>\n" );
document.write( "X=a+a+2/5a=(1+1+2/5)a<BR>\n" );
document.write( "X=12/5a  (1)\r<BR>\n" );
document.write( "\n" );
document.write( "we use the sentence \"After transfering 1/40 of the new number obtained to another schoo , in the school 2223 students still remain\"\r<BR>\n" );
document.write( "\n" );
document.write( "(1-1/40)X=2223<BR>\n" );
document.write( "X=(2223*40)/39<BR>\n" );
document.write( "X=2280\r<BR>\n" );
document.write( "\n" );
document.write( "and when we use (1) 12/5a=2280 then a=(2280*5)/12=950<BR>\n" );
document.write( "the number of students there were at the begining est 950<BR>\n" );
document.write( "  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );