document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1011650>Question 1011650</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A goldsmith combined an alloy that costs 430 dollars per gram with an alloy that costs 180 dollars per gram. How many grams of each were used to make a mixture of 200 gram costing 250 dollars per gram? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #627390 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=627390\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A goldsmith combined an alloy that costs 430 dollars per gram with an alloy that costs 180 dollars per gram. How many grams of each were used to make a mixture of 200 gram costing 250 dollars per gram? <BR>\n" );
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document.write( "f + n = 200 grams<BR>\n" );
document.write( "430f + 180n = 250*200<BR>\n" );
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document.write( "Modify for elimination::<BR>\n" );
document.write( "430f + 430n = 430*200<BR>\n" );
document.write( "430f + 180n = 250*200<BR>\n" );
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document.write( "Subtract and solve for \"n\":<BR>\n" );
document.write( "250n = 180*200<BR>\n" );
document.write( "n = 144 grams (amt. of $180 alloy needed)<BR>\n" );
document.write( "f = 56 grams (amt. of $430 alloy needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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document.write( " </SPAN>\n" );
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