document.write( "<A HREF=/cgi-bin/jump-to-question.mpl?question=295586>Question 295586</A>: <I><SPAN STYLE=\"word-break: break-all;\"> A tank holds 2940 gallons. You want to fill it with a 20% NaOH (caustic) solution.  You have 25% NaOH solution available. How many gallons of water must be mixed with how many gallons of 25% NaOH solution to fill your tank with 2940 gallons of 20% NaOH solution?  (1 gallon of water weighs 8.34lbs and 1 gallon of 25% NaOH weighs 10.66 lbs)\r<BR>\n" );
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document.write( "Thanks for any help on this problem.  I know simple solutions but got really confused with the different weights per gallon.  </SPAN>\n" );
document.write( "</I><HR><TABLE width=100%><TR><TD><B><A HREF=http://www.algebra.com/>Algebra.Com's</A> Answer #213042 by </B><A HREF=/tutors/aboutme.mpl?userid=richwmiller><B>richwmiller(17219)</B></A><img src=\"/images/stars/stars-13.gif\" alt=\"\" >&nbsp;<A HREF=/tutors/aboutme.mpl?userid=richwmiller><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=richwmiller><BR>You can <A HREF=\"/cgi-bin/embed-solution.mpl?show=1&solution=213042\">put this solution on YOUR website!</A><BR><SPAN STYLE=\"word-break: break-all;\"> They tricked you. We don't need to be concerned with weights. It was thrown in to confuse you and it did.<BR>\n" );
document.write( "x+y=2940<BR>\n" );
document.write( ".25x=(x+y)*.20<BR>\n" );
document.write( "x=2352.,   y=588.<BR>\n" );
document.write( "588 gallons of water<BR>\n" );
document.write( "2352 gallons of 25% NaOH solution.<BR>\n" );
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