document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=363839>Question 363839</A>: <I><SPAN STYLE=\"word-break: break-all;\"> In a certain senior class, 72 percent of the male students and 80 percent of the female students have applied to college. What fraction of the students in the senior class are male?\r<BR>\n" );
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document.write( "(a) There are 840 students in the senior class<BR>\n" );
document.write( "(b) 75 percent of the students in the senior class have applied to college<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 #259477 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley77><B>checkley77(12844)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley77><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=259477\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .72x+.80(840-x)=.75*840<BR>\n" );
document.write( ".72x+672-.80x=630<BR>\n" );
document.write( "-.08x=630-672<BR>\n" );
document.write( "-.08x=42<BR>\n" );
document.write( "x=42/.08<BR>\n" );
document.write( "x=525 are boys.<BR>\n" );
document.write( "525/840=5/8 are boys.<BR>\n" );
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document.write( "840-525=315 are girls.<BR>\n" );
document.write( "Proof:<BR>\n" );
document.write( ".72*525+.80*315=.75*840<BR>\n" );
document.write( "378+252=630<BR>\n" );
document.write( "630=630<BR>\n" );
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