document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=576023>Question 576023</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A chemist is mixing a solution containing 15% bromine with a second solution containing 28% bromine.  She wishes to prepare 60 oz. of a solution containing 21% bromine.  How much of each of the solutions should she use?  [Round to the nearest tenth of an ounce.] </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #369689 by </B><A HREF=/tutors/aboutme.mpl?userid=stanbon><B>stanbon(75887)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=stanbon><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=369689\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> A chemist is mixing a solution containing 15% bromine with a second solution containing 28% bromine. She wishes to prepare 60 oz. of a solution containing 21% bromine. How much of each of the solutions should she use?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "0.15x + 0.28(60-x) = 0.21*60<BR>\n" );
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document.write( "Multiply thru by 100:<BR>\n" );
document.write( "15x + 28*60 - 28x = 21*60<BR>\n" );
document.write( "-13x = -7*60<BR>\n" );
document.write( "x = (7/13)60<BR>\n" );
document.write( "x = 32.3 oz (amt. of 15% solution needed)<BR>\n" );
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document.write( "60-x = 27.7 oz (amt. of 28% solution needed)<BR>\n" );
document.write( "=====================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H. </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );