document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=287104>Question 287104</A>: <I><SPAN STYLE=\"word-break: break-all;\"> how much of a 50% saline solution must be added to 100ml of 20% saline solution to make a mixture that is 40% saline?<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 #208165 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=208165\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> how much of a 50% saline solution must be added to 100ml of 20% saline solution to make a mixture that is 40% saline?<BR>\n" );
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document.write( "Equation:<BR>\n" );
document.write( "active + active = active<BR>\n" );
document.write( "0.20(100) + 0.50x = 0.40(100+x)<BR>\n" );
document.write( "Multiply thru by 100 and solve for \"x\":<BR>\n" );
document.write( "20*100 + 50x = 40*100 + 40x<BR>\n" );
document.write( "10x = 20*100<BR>\n" );
document.write( "x = 200 ml (amt of 50% solution needed for the mixtue)<BR>\n" );
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document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
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