document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1199701>Question 1199701</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the ratio of the number of pupils who wear glasses to the total number of pupils in the class is 2:5, what is the ratio of pupils who wear glasses to those who do not if 5 of the pupils who did not wear glasses now do? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #833687 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39617)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=833687\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> 5n, number of pupils in class<BR>\n" );
document.write( "2n, how many wear glasses<BR>\n" );
document.write( "3n, how many do not wear glasses\r<BR>\n" );
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document.write( "The change - five pupils who did not wear glasses now do wear glasses.<BR>\n" );
document.write( "5n pupils in class<BR>\n" );
document.write( "2n+5 who now do wear glasses<BR>\n" );
document.write( "3n-5 who now do not wear them\r<BR>\n" );
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document.write( "The question:  what is the ratio of pupils who wear glasses to those who do not <BR>\n" );
document.write( "if 5 of the pupils who did not wear glasses now do?\r<BR>\n" );
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document.write( "That ratio is  <IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%282n%2B5%29%2F%283n-5%29 ALIGN=MIDDLE  ALT=\"%282n%2B5%29%2F%283n-5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >.  \r<BR>\n" );
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document.write( "maybe about the most or best that can be done.<BR>\n" );
document.write( "The class must be of at least 10 students for the description to be meaningful. </SPAN>\n" );
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