document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1139522>Question 1139522</A>: <I><SPAN STYLE=\"word-break: break-all;\"> the ratio of boys to girls in a class is 4:5 what fractions are boys<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #759985 by </B><A HREF=/tutors/aboutme.mpl?userid=greenestamps><B>greenestamps(13200)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=greenestamps><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=greenestamps><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=759985\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> <br><BR>\n" );
document.write( "Informally....<br><BR>\n" );
document.write( "For every 4 boys, there are 5 girls.<BR>\n" );
document.write( "Therefore, out of every 9 students, 4 are boys.<BR>\n" );
document.write( "Therefore, 4/9 of the students are boys.<br><BR>\n" );
document.write( "Formally....<br><BR>\n" );
document.write( "The ratio of boys to girls is 4:5.<BR>\n" );
document.write( "So let 4x be the number of boys and 5x be the number of girls.<BR>\n" );
document.write( "Then 4x+5x = 9x is the total number of students.<BR>\n" );
document.write( "Then the fraction of boys in the class is 4x/9x = 4/9. </SPAN>\n" );
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