document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=942184>Question 942184</A>: <I><SPAN STYLE=\"word-break: break-all;\"> What quantity of a 50% acid solution must be mixed with a 20% solution to produce 600 mL of a 40% solution<BR>\n" );
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document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #574320 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=574320\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> What quantity of a 50% acid solution must be mixed with a 20% solution to produce 600 mL of a 40% solution<BR>\n" );
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document.write( "Equation::<BR>\n" );
document.write( "acid + acid = acid<BR>\n" );
document.write( "0.50x + 0.20(600-x) = 0.40*600<BR>\n" );
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document.write( "50x + 20*600 - 20x = 40*600<BR>\n" );
document.write( "30x = 20*600<BR>\n" );
document.write( "x = 20*20<BR>\n" );
document.write( "x = 400 mL (amt. of 50% solution needed)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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