document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=132903>Question 132903</A>: <I><SPAN STYLE=\"word-break: break-all;\">  Chapter 7 Review Page 388<BR>\n" );
document.write( "25.A furniture finish consists of turpentine and linseed oil. It contains twice as much turpentine as linseed oil. If you plan to make 16 fluid ounces of furniture finish, how much turpentine do you need?<BR>\n" );
document.write( "Solve with Substitution, Elminination, or Graphing. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #97230 by </B><A HREF=/tutors/aboutme.mpl?userid=ptaylor><B>ptaylor(2198)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=ptaylor><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=ptaylor><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=97230\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x=amount of linseed oil<BR>\n" );
document.write( "And let y=amount of turpentine\r<BR>\n" );
document.write( "\n" );
document.write( "Now we are told that y=2x---------------------------eq1\r<BR>\n" );
document.write( "\n" );
document.write( "We are also told that:\r<BR>\n" );
document.write( "\n" );
document.write( "x+y=16-------------------------------------eq2\r<BR>\n" );
document.write( "\n" );
document.write( "Substitute y=2x from eq1 into eq2\r<BR>\n" );
document.write( "\n" );
document.write( "x+2x=16<BR>\n" );
document.write( "3x=16 divide both sides by 3\r<BR>\n" );
document.write( "\n" );
document.write( "x=5 1/3 fl oz----------------------------amount of linseed oil needed\r<BR>\n" );
document.write( "\n" );
document.write( "substitute this into eq1:\r<BR>\n" );
document.write( "\n" );
document.write( "(5 1/3)+y=16 or<BR>\n" );
document.write( "(16/3)+y=16  multiply each term by 3\r<BR>\n" );
document.write( "\n" );
document.write( "16+3y=48  subtract 16 from each side<BR>\n" );
document.write( "16-16+3y=48-16  collect like terms<BR>\n" );
document.write( "3y=32  divide both sides by 2\r<BR>\n" );
document.write( "\n" );
document.write( "y=10 2/3 fl oz------------------------------------amount of turpentine needed\r<BR>\n" );
document.write( "\n" );
document.write( "CK\r<BR>\n" );
document.write( "\n" );
document.write( "5 1/3  +  10/ 2/3=16<BR>\n" );
document.write( "16=16\r<BR>\n" );
document.write( "\n" );
document.write( "Also<BR>\n" );
document.write( "2*5 1/3=10 2/3<BR>\n" );
document.write( "10 2/3= 10 2/3\r<BR>\n" );
document.write( "<BR>\n" );
document.write( "<BR>\n" );
document.write( "\n" );
document.write( "Hope this helps ---ptaylor<BR>\n" );
document.write( " </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );