document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=944486>Question 944486</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many g of gold should a coin of 56% gold be if when combined with a 7 g 100% gold necklace, it forms a metal that is 67% gold?<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #575876 by </B><A HREF=/tutors/aboutme.mpl?userid=vleith><B>vleith(2983)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=vleith><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=575876\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let the gold coin's weight be represented by C.<BR>\n" );
document.write( "You are told the coin is 56% gold. That gold is then melted with 7g of pure gold. So how much many grams does the coin weigh if the total at the end is 67% gold by weight?\r<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%28C%2A0.56%29+%2B+%287%2A1%29+=+%287%2BC%29%2A+0.67 ALIGN=MIDDLE  ALT=\"%28C%2A0.56%29+%2B+%287%2A1%29+=+%287%2BC%29%2A+0.67\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=0.56C+%2B+7+=+%287%2A0.67%29+%2B+0.67C ALIGN=MIDDLE  ALT=\"0.56C+%2B+7+=+%287%2A0.67%29+%2B+0.67C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+-+%287%2A0.67%29+=+0.67C+-+0.56C ALIGN=MIDDLE  ALT=\"7+-+%287%2A0.67%29+=+0.67C+-+0.56C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=7+-+4.69+=+0.11C ALIGN=MIDDLE  ALT=\"7+-+4.69+=+0.11C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=2.31%2F0.11+=+C ALIGN=MIDDLE  ALT=\"2.31%2F0.11+=+C\"   DISABLED_style= \"max-width:90%; height:auto;\" ><BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=21=C ALIGN=MIDDLE  ALT=\"21=C\"   DISABLED_style= \"max-width:90%; height:auto;\" >\r<BR>\n" );
document.write( "\n" );
document.write( "So the original coin weighs 21 grams </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );