document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=620537>Question 620537</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Find how many quarts of 6% butterfat milk and 3% butterfat milk should be missed to yield 60 quarts of 5% butterfat milk. </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #390250 by </B><A HREF=/tutors/aboutme.mpl?userid=Alan3354><B>Alan3354(69443)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=Alan3354><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=Alan3354><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=390250\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Find how many quarts of 6% butterfat milk and 3% butterfat milk should be missed to yield 60 quarts of 5% butterfat milk.<BR>\n" );
document.write( "-------------<BR>\n" );
document.write( "Do it like this:\r<BR>\n" );
document.write( "\n" );
document.write( "if a 14% acid solution is mixed with a 19% acid solution to produce 45 gallons of a 15% acid solution how much (in gallons) of each solution should be used?<BR>\n" );
document.write( "--------------<BR>\n" );
document.write( "f = 14%<BR>\n" );
document.write( "n = 19%<BR>\n" );
document.write( "----<BR>\n" );
document.write( "f + n = 45 (total gallons)<BR>\n" );
document.write( "14f + 19n = 15*45 (total acid)<BR>\n" );
document.write( "-----<BR>\n" );
document.write( "n = 45 - f<BR>\n" );
document.write( "Sub for n<BR>\n" );
document.write( "14f + 19*(45-f) = 675<BR>\n" );
document.write( "14f + 855 - 19f = 675<BR>\n" );
document.write( "-5f = -180<BR>\n" );
document.write( "f = 36 gallons of 14%<BR>\n" );
document.write( "n = 9 gallons of 19% </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );