document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=246298>Question 246298</A>: <I><SPAN STYLE=\"word-break: break-all;\"> From a group of boys and girls, 15 girls leave. There are then left two boys for each girl. After 45 boys leave, there are then 5 girls for each boy. The number of girls in the beginning was:\r<BR>\n" );
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document.write( "(A)40 (B) 43 (C) 29 (D) 50 (E) 60<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 #179979 by </B><A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><B>ankor@dixie-net.com(22740)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ankor@dixie-net.com><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=ankor@dixie-net.com><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=179979\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> From a group of boys and girls, <BR>\n" );
document.write( "b = no. of boys<BR>\n" );
document.write( "g = no. of girls<BR>\n" );
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document.write( "then 15 girls leave.  There are then left two boys for each girl.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=b%2F%28g-15%29 ALIGN=MIDDLE  ALT=\"b%2F%28g-15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2%2F1 ALIGN=MIDDLE  ALT=\"2%2F1\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "b = 2(g-15)<BR>\n" );
document.write( "b = 2g - 30<BR>\n" );
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document.write( "After 45 boys leave, there are then 5 girls for each boy.<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28b-45%29%2F%28g-15%29 ALIGN=MIDDLE  ALT=\"%28b-45%29%2F%28g-15%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1%2F5 ALIGN=MIDDLE  ALT=\"1%2F5\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "Cross multiply<BR>\n" );
document.write( "g-15 = 5(b-45)<BR>\n" );
document.write( "g - 15 = 5b - 225<BR>\n" );
document.write( "g = 5b - 225 + 15<BR>\n" );
document.write( "g = 5b - 210<BR>\n" );
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document.write( "The number of girls in the beginning was:<BR>\n" );
document.write( "Replace b in the above equation with (2g-30) from the 1st equation:<BR>\n" );
document.write( "g = 5(2g-30) - 210<BR>\n" );
document.write( "g = 10g - 150 - 210<BR>\n" );
document.write( "g = 10g - 360<BR>\n" );
document.write( "g - 10g = -360<BR>\n" );
document.write( "-9g = -360<BR>\n" );
document.write( "g = <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28-360%29%2F%28-9%29 ALIGN=MIDDLE  ALT=\"%28-360%29%2F%28-9%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "g = +40 girls originally<BR>\n" );
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