document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=49546>Question 49546</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Dearest tutors, can you help me regarding my problem? thank you for that..\r<BR>\n" );
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document.write( "1. A chemist wanted to mix milk testing 3% butterfat with cream and testing 28% butterfat. How many quartz of each kind must the chemist use to produce a mixture of 10 gallons which shall test 18% butterfat? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #42688 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=42688\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> Let x= Number of qts of milk (3% butterfat) <BR>\n" );
document.write( "Then 40-x=Number of qts of cream (28% butterfat)<BR>\n" );
document.write( "(Note:  We need to deal either in qts or gallons. I have chosen to deal in qts and 10 gal=40 qts)\r<BR>\n" );
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document.write( "Now we know that the amount of pure butterfat in the milk (x)(.03) plus the amount of pure butterfat in the cream (40-x)(.28) must equal the amount of pure butterfat in the final mixture (40)(.18). Thus, our equation to solve is:\r<BR>\n" );
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document.write( "(x)(.03)+(40-x)(.28)=(40)(.18) simplifying, we get:<BR>\n" );
document.write( ".03x+11.2-.28x=7.2 or<BR>\n" );
document.write( "-.25x=-4<BR>\n" );
document.write( "x=16 qts of milk<BR>\n" );
document.write( "40-x=40-16=24 qts of cream\r<BR>\n" );
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document.write( "Hope this helps ------ptaylor </SPAN>\n" );
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