document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=685848>Question 685848</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A metal alloy weighing 12 lb. and containing<BR>\n" );
document.write( "20% copper is melted and mixed with 3 lb. of a<BR>\n" );
document.write( "different alloy which contains 40% copper. <BR>\n" );
document.write( "What percent of the resulting alloy is copper? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #424609 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=424609\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A metal alloy weighing 12 lb. and containing<BR>\n" );
document.write( "20% copper is melted and mixed with 3 lb. of a<BR>\n" );
document.write( "different alloy which contains 40% copper. <BR>\n" );
document.write( "What percent of the resulting alloy is copper?<BR>\n" );
document.write( "**<BR>\n" );
document.write( "20%*12+40%*3/12+3=(2.4+1.2)/15=3.6/15=.24<BR>\n" );
document.write( "What percent of the resulting alloy is copper? 24% </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );