document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=129763>Question 129763</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a class, 40% of the students are girls.  There are 27 boys in the class.  How many girls are there? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #94739 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=94739\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=number of girls in the class<BR>\n" );
document.write( "Then x+27 =total number of students in the class\r<BR>\n" );
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document.write( "So our equation to solve is :\r<BR>\n" );
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document.write( "40% of (x+27)=x or<BR>\n" );
document.write( "0.40(x+27)=x  get rid of parens\r<BR>\n" );
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document.write( "0.40x+10.8=x  subtract 0.40x from each side\r<BR>\n" );
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document.write( "0.40x-0.40x+10.8=x-0.40x  collect like terms\r<BR>\n" );
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document.write( "10.8=0.60x   divide both sides by 0.20\r<BR>\n" );
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document.write( "x=18-----------------------------number of girls in the class\r<BR>\n" );
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document.write( "CK<BR>\n" );
document.write( "18+27=45\r<BR>\n" );
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document.write( "40% of 45=18<BR>\n" );
document.write( "60% of 45=27\r<BR>\n" );
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document.write( "Hope this helps---ptaylor<BR>\n" );
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