document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=693455>Question 693455</A>: <I><SPAN STYLE=\"word-break: break-all;\"> How many ounces of a 10 percent solution and a 30 percent solution<BR>\n" );
document.write( "mix to make 20 ounces of a 25 percent solution </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #427408 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=427408\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> How many ounces of a 10 percent solution and a 30 percent solution<BR>\n" );
document.write( "mix to make 20 ounces of a 25 percent solution<BR>\n" );
document.write( "-------<BR>\n" );
document.write( "Equation:<BR>\n" );
document.write( "active + active = active<BR>\n" );
document.write( "0.10x + 0.30(20-x) = 0.25*20<BR>\n" );
document.write( "---------------------------<BR>\n" );
document.write( "Multiply thru by 100 to get:<BR>\n" );
document.write( "10x + 30*20 - 30x = 25*20<BR>\n" );
document.write( "----<BR>\n" );
document.write( "-20x = -5*20<BR>\n" );
document.write( "x = 5 ounces (amt. of 10% solution needed)<BR>\n" );
document.write( "----<BR>\n" );
document.write( "20-x = 15 ounces (amt. of 30% 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" );