document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=743451>Question 743451</A>: <I><SPAN STYLE=\"word-break: break-all;\"> a 25% brine solution was mixed with an 18% brine solution to produce a 20% brine solution. How much of the 25% brine solution and how much of the 18% brine solution were used to produce 28L of the 20% solution? </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #452877 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=452877\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> a 25% brine solution was mixed with an 18% brine solution to produce a 20% brine solution. How much of the 25% brine solution and how much of the 18% brine solution were used to produce 28L of the 20% solution?<BR>\n" );
document.write( "---------------------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "salt + salt = salt<BR>\n" );
document.write( "0.18x + 0.25(28-x) = 0.20*28<BR>\n" );
document.write( "18x + 25*28 - 25x = 20*28<BR>\n" );
document.write( "-7x = -5*28<BR>\n" );
document.write( "----<BR>\n" );
document.write( "x = 20 L (amt. of 18% solution needed)<BR>\n" );
document.write( "28-x = 8 L (amt of 25% solution needed)<BR>\n" );
document.write( "======================<BR>\n" );
document.write( "Cheers,<BR>\n" );
document.write( "Stan H.<BR>\n" );
document.write( "=================== </SPAN>\n" );
document.write( "</TD></TR></TABLE>\n" );