document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=777698>Question 777698</A>: <I><SPAN STYLE=\"word-break: break-all;\"> There are 55% of boys in the class. The number of girls is 4 less than boys. How many students are in the class?<BR>\n" );
document.write( "I breifly forgot how to do proportions.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #474238 by </B><A HREF=/tutors/aboutme.mpl?userid=KMST><B>KMST(5328)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=KMST><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=KMST><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=474238\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" >= number of students in the class<BR>\n" );
document.write( "If 55% are boys, there are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.55x ALIGN=MIDDLE  ALT=\"0.55x\"   DISABLED_style= \"max-width:90%; height:auto;\" > boys in the class.<BR>\n" );
document.write( "If the number of girls is 4 less than the number of boys,<BR>\n" );
document.write( "there are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.55x-4 ALIGN=MIDDLE  ALT=\"0.55x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > girls in the class.<BR>\n" );
document.write( "Adding up the numbers of boys and gitls in the class,<BR>\n" );
document.write( "there are <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.55x%2B%280.55x-4%29=1.1x-4 ALIGN=MIDDLE  ALT=\"0.55x%2B%280.55x-4%29=1.1x-4\"   DISABLED_style= \"max-width:90%; height:auto;\" > students,<BR>\n" );
document.write( "and that is the same as <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=x ALIGN=MIDDLE  ALT=\"x\"   DISABLED_style= \"max-width:90%; height:auto;\" > students, so<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.1x-4=x ALIGN=MIDDLE  ALT=\"1.1x-4=x\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.1x=x%2B4 ALIGN=MIDDLE  ALT=\"1.1x=x%2B4\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=1.1x-x=4 ALIGN=MIDDLE  ALT=\"1.1x-x=4\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.1x=4%29%29%29+--%3E+%7B%7B%7Bx=4%2F0.1 ALIGN=MIDDLE  ALT=\"0.1x=4%29%29%29+--%3E+%7B%7B%7Bx=4%2F0.1\"   DISABLED_style= \"max-width:90%; height:auto;\" > --> <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=40%29 ALIGN=MIDDLE  ALT=\"highlight%28x=40%29\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( " <BR>\n" );
document.write( "I did not even see the proportions in that, but I guess that they are in<BR>\n" );
document.write( "(number of boys)/x=55/100 --> (number of boys)/x=0.55 --> number of boys=0.55x </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );