document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=1205470>Question 1205470</A>: <I><SPAN STYLE=\"word-break: break-all;\"> An alloy is composed of 4 parts of brass and 3 parts of copper.  Determine what part of the whole is the copper.\r<BR>\n" );
document.write( "\n" );
document.write( "Not sure how to solve. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #842296 by </B><A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><B>josgarithmetic(39620)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=josgarithmetic><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=842296\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Meaningless until you know the content of copper in the brass!<BR>\n" );
document.write( "You need to look into this so you can ultimately find a result.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "4parts + 3parts = 7 total parts.\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Your brass itself will be some fraction copper.  A basic expression for amount of copper in your alloy is this:\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "<IMG STYLE=\"max-width:80%;\" SRC=/cgi-bin/plot-formula.mpl?expression=%284%2Af%2B3%29%2F7 ALIGN=MIDDLE  ALT=\"%284%2Af%2B3%29%2F7\"   DISABLED_style= \"max-width:90%; height:auto;\" >, using f as the fraction of your BRASS which is copper.  Go onward from there. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );