document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=169573>Question 169573</A>This question is from textbook <A HREF=http://www.amazon.com/exec/obidos/ASIN/0321269470/algebrahomeworkh>Introductory Algebra</A><BR>\n" );
document.write( ": <I><SPAN STYLE=\"word-break: break-all;\"> A goldsmith has two alloys that are different purities of gold. The first is three-fourths pure gold and the second is five-twelfths pure gold. How many ounces of each should be melted and mixed in order to obtain a 6-oz mixture that is two-thirds pure gold? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #124981 by </B><A HREF=/tutors/aboutme.mpl?userid=Mathtut><B>Mathtut(3670)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Mathtut><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=124981\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> lets call the 3/4 gold alloy x and the 7/12 alloy y<BR>\n" );
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document.write( "x+y=6....eq 1<BR>\n" );
document.write( ".75x+(7/12)y=2/3(6)...eq 2\r<BR>\n" );
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document.write( "x=6-y from eq 1 and plug it into eq 2<BR>\n" );
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document.write( ".75(6-y)+.4166y=4<BR>\n" );
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document.write( "4.5-.75y+.4166y=4<BR>\n" );
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document.write( ".3334y=.5<BR>\n" );
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document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28y=1.5%29 ALIGN=MIDDLE  ALT=\"highlight%28y=1.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" > oz of 7/12's alloy<BR>\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=highlight%28x=6-1.5=4.5%29 ALIGN=MIDDLE  ALT=\"highlight%28x=6-1.5=4.5%29\"   DISABLED_style= \"max-width:90%; height:auto;\" >oz of 3/4's alloy </SPAN>\n" );
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