document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=934330>Question 934330</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a class of 30 students the ratio of boys to girls is 3:7.  If 8 girls join the class find the ratio of girls to boys in the class </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #567436 by </B><A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><B>TimothyLamb(4379)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=TimothyLamb><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=TimothyLamb><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=567436\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> x = number of boys<BR>\n" );
document.write( "y = number of girls<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y = 30<BR>\n" );
document.write( "x/y = 3/7<BR>\n" );
document.write( "7x = 3y<BR>\n" );
document.write( "---<BR>\n" );
document.write( "put the system of linear equations into standard form<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x + y = 30<BR>\n" );
document.write( "7x - 3y = 0<BR>\n" );
document.write( "---<BR>\n" );
document.write( "copy and paste the above standard form linear equations in to this solver:<BR>\n" );
document.write( "https://sooeet.com/math/system-of-linear-equations-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "solution:<BR>\n" );
document.write( "x = number of boys = 9<BR>\n" );
document.write( "y = number of girls = 21<BR>\n" );
document.write( "---<BR>\n" );
document.write( "now, add 8 girls:<BR>\n" );
document.write( "---<BR>\n" );
document.write( "x = number of boys = 9<BR>\n" );
document.write( "y = number of girls = 29<BR>\n" );
document.write( "---<BR>\n" );
document.write( "answer:<BR>\n" );
document.write( "y/x = ratio of girls to boys = 29/9<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve and graph linear equations:<BR>\n" );
document.write( "https://sooeet.com/math/linear-equation-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve quadratic equations with quadratic formula:<BR>\n" );
document.write( "https://sooeet.com/math/quadratic-formula-solver.php<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Solve systems of linear equations up to 6-equations 6-variables:<BR>\n" );
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document.write( "---<BR>\n" );
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document.write( "https://sooeet.com </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );