document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=343228>Question 343228</A>: <I><SPAN STYLE=\"word-break: break-all;\"> one alloy contains 20% silver and another contains 8% silver. How many grams of each should be mixed to give 120 g of an alloy which is 15% silver? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #245589 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=245589\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> one alloy contains 20% silver and another contains 8% silver. How many grams of each should be mixed to give 120 g of an alloy which is 15% silver?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "silver + silver = silver<BR>\n" );
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document.write( "0.20x + 0.08(120-x) = 0.15*120<BR>\n" );
document.write( "----<BR>\n" );
document.write( "Multiply thru by 100:<BR>\n" );
document.write( "20x + 8*120 - 8x = 15*120<BR>\n" );
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document.write( "12x = 7*120<BR>\n" );
document.write( "x = 70 grams (amt of 20% alloy needed in the mixture)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "120-x = 50 grams (amt of 8% alloy needed in the mixture)<BR>\n" );
document.write( "==============================================================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );