document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=705665>Question 705665</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A student paid $ 5.40 for 30 pencils. Some cost 10 cents each and others cost 20 cents.each. How many pencils of the 10 cents  type did he buy? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #434682 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=434682\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A student paid $ 5.40 for 30 pencils. Some cost 10 cents each and others cost 20 cents.each. How many pencils of the 10 cents type did he buy?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "let x=number of 10-cent pencils bought<BR>\n" );
document.write( "30-x=number of 20-cent pencils bought<BR>\n" );
document.write( "..<BR>\n" );
document.write( ".10x+.20(30-x)=5.40<BR>\n" );
document.write( ".10x+6-.20x=5.40<BR>\n" );
document.write( ".10x=.60<BR>\n" );
document.write( "x=6<BR>\n" );
document.write( "30-x=24<BR>\n" );
document.write( "number of 10-cent pencils bought=6<BR>\n" );
document.write( "number of 20-cent pencils bought=24 </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );