document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=477900>Question 477900</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On the first day of school, the percentage of boys in a particular class is 60%. During the school year,six girls move away, and are replaced in the class by six boys, this makes the class roster 75% boys. Find the number of boys and girls in the class on the first day.\r<BR>\n" );
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document.write( "I am completely lost on this one. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #327496 by </B><A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><B>mangopeeler07(462)</B></A><img src=\"/images/stars/stars-10.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=mangopeeler07><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=327496\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <p>Set B for the number of boys on the first day. Set G for the number of girls.\r<BR>\n" );
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document.write( "so <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B%2BG=A ALIGN=MIDDLE  ALT=\"B%2BG=A\"   DISABLED_style= \"max-width:90%; height:auto;\" > (A for all), where <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=.6A ALIGN=MIDDLE  ALT=\"B=.6A\"   DISABLED_style= \"max-width:90%; height:auto;\" > (sixty percent).</p>\r<BR>\n" );
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document.write( "<p>Six girls move<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=G-6 ALIGN=MIDDLE  ALT=\"G-6\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>and six boys come<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B%2B6 ALIGN=MIDDLE  ALT=\"B%2B6\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>And now the boys make up 75% of the class<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B%2B6=.75A ALIGN=MIDDLE  ALT=\"B%2B6=.75A\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>Using <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B=.6A ALIGN=MIDDLE  ALT=\"B=.6A\"   DISABLED_style= \"max-width:90%; height:auto;\" > and <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=B%2B6=.75A ALIGN=MIDDLE  ALT=\"B%2B6=.75A\"   DISABLED_style= \"max-width:90%; height:auto;\" >, plug in .6A for B:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.6A%2B6=.75A ALIGN=MIDDLE  ALT=\".6A%2B6=.75A\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>Subtract .6A from both sides:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=6=.15A ALIGN=MIDDLE  ALT=\"6=.15A\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>Now divide both sides by .15<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=40=A ALIGN=MIDDLE  ALT=\"40=A\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>So there were 40 kids in all on the first day. 60% of them were boys, so:<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=.6%2840%29=B ALIGN=MIDDLE  ALT=\".6%2840%29=B\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=24=B ALIGN=MIDDLE  ALT=\"24=B\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "<p>40-24=G<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=G=16 ALIGN=MIDDLE  ALT=\"G=16\"   DISABLED_style= \"max-width:90%; height:auto;\" ></p>\r<BR>\n" );
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document.write( "So on the first day of school, there were 24 boys and 16 girls. </SPAN>\n" );
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