document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=329353>Question 329353</A>: <I><SPAN STYLE=\"word-break: break-all;\"> By weight, an alloy of brass is 60% copper and 40% zinc. Another alloy of brass is 30% copper and 70% zinc. How many grams of each of these alloys must be melted and combined to obtain 300 grams of a brass with equal concentration of copper and zinc? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #236136 by </B><A HREF=/tutors/aboutme.mpl?userid=galactus><B>galactus(183)</B></A><img src=\"/images/stars/stars-09.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=galactus><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/cgi-bin/show-face.mpl?user=galactus><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=236136\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=amount of the 60% copper alloy.\r<BR>\n" );
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document.write( "Then, we have .60x+.30(300-x)=.50(300)\r<BR>\n" );
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document.write( "x=200 grams of the 60% alloy and 100 grams of the 30% alloy.\r<BR>\n" );
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document.write( "This amounts to 150 grams of copper. The other 150 grams is zinc. 50/50 ratio. </SPAN>\n" );
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