document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=935152>Question 935152</A>: <I><SPAN STYLE=\"word-break: break-all;\"> The ratio of boys to girls in a class is 5:3. If there are 120 students, how many girls are there? Please show work. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #568284 by </B><A HREF=/tutors/aboutme.mpl?userid=vicgonzerx><B>vicgonzerx(31)</B></A><img src=\"/images/stars/stars-07.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vicgonzerx><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=vicgonzerx><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=568284\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> let g=girls<BR>\n" );
document.write( "b=boys\r<BR>\n" );
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document.write( "the ratio is 5:3=5/3<BR>\n" );
document.write( "b/g=5/3\r<BR>\n" );
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document.write( "cross mltiply \r<BR>\n" );
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document.write( "b=g(5/3)------eq 1\r<BR>\n" );
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document.write( "b + g = 120-----eq 2\r<BR>\n" );
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document.write( "solve g and b substitution \r<BR>\n" );
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document.write( "substitute eq 1-eq 2 \r<BR>\n" );
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document.write( "g(5/3)+g=120\r<BR>\n" );
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document.write( "getting common denominator to add directly \r<BR>\n" );
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document.write( "(5g+3g)/3=120\r<BR>\n" );
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document.write( "cross multiply \r<BR>\n" );
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document.write( "8g=360\r<BR>\n" );
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document.write( "then divide it by 8\r<BR>\n" );
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document.write( "8g/8=360/8\r<BR>\n" );
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document.write( "g=45--------------------girls number \r<BR>\n" );
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document.write( "for boys \r<BR>\n" );
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document.write( "use eq -1\r<BR>\n" );
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document.write( "b=g(5/3)<BR>\n" );
document.write( "b=45(5/3)\r<BR>\n" );
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document.write( "b=75---------boys number \r<BR>\n" );
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document.write( "checking \r<BR>\n" );
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document.write( "student number=120\r<BR>\n" );
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document.write( "75+45=120-----\r<BR>\n" );
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document.write( " </SPAN>\n" );
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