document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=691461>Question 691461</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Eduardo created a metal containing 35% gold by combining two other metals. One of these other metals weighed 2 kg and contained 15% gold. If the other weighed 8kg then what percent of it was gold?\r<BR>\n" );
document.write( "\n" );
document.write( "I believe I would set up an equation .35(x + .15) = 2(.15) +8x where x is % of gold in metal 2, but I don't know if that's right, or where to go from there </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #426712 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=426712\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Eduardo created a metal containing 35% gold by combining two other metals. One of these other metals weighed 2 kg and contained 15% gold. If the other weighed 8kg then what percent4 of it was gold? <BR>\n" );
document.write( "-----<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "gold + gold = gold<BR>\n" );
document.write( "0.15*2 + x(8) = 0.35(2+8)<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "15*2 + 100x*8 = 35*2 + 35*8<BR>\n" );
document.write( "---<BR>\n" );
document.write( "30 + 800x = 70 + 280<BR>\n" );
document.write( "800x = 320<BR>\n" );
document.write( "x = 32/80 = 4/10 = 40%<BR>\n" );
document.write( "---<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "stan H.<BR>\n" );
document.write( "==============  </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );