document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1094334>Question 1094334</A>: <I><SPAN STYLE=\"word-break: break-all;\"> On a two part exam, Kevin answered 72% of the questions in part-A and 80% of the questions in part-B correctly. In both parts together he answered 75% of the questions correctly. If there are 30 questions in part-B, how many questions are in part-A? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #708919 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=708919\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .72a+.8b=.75(a+b)<BR>\n" );
document.write( "b=30<BR>\n" );
document.write( ".72a+.8*30=.75(a+30)<BR>\n" );
document.write( ".72a+.8*30=.75a+.75*30<BR>\n" );
document.write( ".8*30-.75*30=.75a-.72a<BR>\n" );
document.write( ".05*30=.03a<BR>\n" );
document.write( "5*30=3a<BR>\n" );
document.write( "50=a<BR>\n" );
document.write( "check<BR>\n" );
document.write( ".72*50+.80*30=.75(80)<BR>\n" );
document.write( ".72*50+.80*30=60<BR>\n" );
document.write( "60=60<BR>\n" );
document.write( "ok\r<BR>\n" );
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document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );