document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=516138>Question 516138</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of boys to girls in a school is 5:4. If there are 500 girls, how many boys are there in the school? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #344624 by </B><A HREF=/tutors/aboutme.mpl?userid=Maths68><B>Maths68(1474)</B></A><img src=\"/images/stars/stars-12.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Maths68><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=Maths68><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=344624\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let <BR>\n" );
document.write( "Boys = b<BR>\n" );
document.write( "Girls = g<BR>\n" );
document.write( "Girls = g = 500<BR>\n" );
document.write( "Boys = b = 500-x\r<BR>\n" );
document.write( "\n" );
document.write( "b:g=5:4<BR>\n" );
document.write( "b/g=5/4<BR>\n" );
document.write( "4b=5g<BR>\n" );
document.write( "Put the values of g and b <BR>\n" );
document.write( "4(500-x)=5*500 ............(1)<BR>\n" );
document.write( "2000-4x=2500<BR>\n" );
document.write( "-4x=2500-2000<BR>\n" );
document.write( "-4x=500<BR>\n" );
document.write( "-4x/-4=500/-4<BR>\n" );
document.write( "x=-125\r<BR>\n" );
document.write( "\n" );
document.write( "Boys = 500-(-125)<BR>\n" );
document.write( "Boys = 500+125<BR>\n" );
document.write( "Boys = 625\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Check<BR>\n" );
document.write( "=======<BR>\n" );
document.write( "Boys/girls=625/500<BR>\n" );
document.write( "Boys/girls=125/100<BR>\n" );
document.write( "Boys/girls=5/4<BR>\n" );
document.write( "Boys:girls=5:4 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );