document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=123407>Question 123407</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An alloy of tin is 16% tin. How much tin must be added to make 820 lbs of alloy that is 18% tin? Answer to the nearest tenth. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #90583 by </B><A HREF=/tutors/aboutme.mpl?userid=checkley71><B>checkley71(8403)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=checkley71><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=90583\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> .16X+(820-X)=.18*820<BR>\n" );
document.write( ".16X+820-X=147.6<BR>\n" );
document.write( "-.84X=147.6-820<BR>\n" );
document.write( "-.84=-672.4<BR>\n" );
document.write( "X=-672.4/-.84<BR>\n" );
document.write( "X=800.5 ANSWER FOR THE AMOUNT OF 18% TIN.<BR>\n" );
document.write( "820-800=20 LBS. OF PURE TIN IS USED.<BR>\n" );
document.write( "PROOF.<BR>\n" );
document.write( ".16*800.5+19.5=.18*820<BR>\n" );
document.write( "128.08+19.5=147.6<BR>\n" );
document.write( "147.6~147.6\r<BR>\n" );
document.write( "\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );