document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=959419>Question 959419</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A broze alloy is made of copper and tin. A company has 20 pounds of a bronze alloy that is 15% tin. A) write a rational equation to model the amount of pure copper that must be added to the 20 pounds to make an alloy that is 12% tin. Use x to represent the amount of pure copper that is added. B) solve your equation to find how many pounds of pure copper must be added to make an alloy that is 12% tin </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #586468 by </B><A HREF=/tutors/aboutme.mpl?userid=lwsshak3><B>lwsshak3(11628)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=lwsshak3><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=586468\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A broze alloy is made of copper and tin. A company has 20 pounds of a bronze alloy that is 15% tin. A) write a rational equation to model the amount of pure copper that must be added to the 20 pounds to make an alloy that is 12% tin. Use x to represent the amount of pure copper that is added. B) solve your equation to find how many pounds of pure copper must be added to make an alloy that is 12% tin<BR>\n" );
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document.write( "let x=amt of pure copper to add<BR>\n" );
document.write( "85%*20+100%x=88%(20+x)<BR>\n" );
document.write( "17+x=17.6+.88x<BR>\n" );
document.write( ".12x=0.6<BR>\n" );
document.write( "x=5<BR>\n" );
document.write( "amt of pure copper rmust be added to make an alloy that is 12% tin=5 lbs </SPAN>\n" );
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