document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=323306>Question 323306</A>: <I><SPAN STYLE=\"word-break: break-all;\"> Gabrielle, a chemistry student has a 70% alcohol solution and 40% alcohol solution. Her teacher instructed her to prepare 150ml of a solution that is 60% alcohol by mixing amounts from each of the available solutions. How much of each solution should she use? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #231423 by </B><A HREF=/tutors/aboutme.mpl?userid=nerdybill><B>nerdybill(7384)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=nerdybill><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=nerdybill><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=231423\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\">     Gabrielle, a chemistry student has a 70% alcohol solution and 40% alcohol solution. Her teacher instructed her to prepare 150ml of a solution that is 60% alcohol by mixing amounts from each of the available solutions. How much of each solution should she use?<BR>\n" );
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document.write( "Let x = amount of 70% alcohol solution<BR>\n" );
document.write( "then<BR>\n" );
document.write( "150-x = amount of 40% alcohol solution<BR>\n" );
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document.write( ".70x + .40(150-x) = .60(150)<BR>\n" );
document.write( ".70x + 60 - .40x = .60(150)<BR>\n" );
document.write( ".30x + 60 = .60(150)<BR>\n" );
document.write( ".30x + 60 = 90<BR>\n" );
document.write( ".30x = 30<BR>\n" );
document.write( "x = 100 ml of 70% alcohol solution<BR>\n" );
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document.write( "40% alcohol solution:<BR>\n" );
document.write( "150-x = 150-100 = 50 ml <BR>\n" );
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